Lookup Values in Expression

M

msprick

TI

I need to calculate the ratio of a client's 30 day projected income against the poverty level adjusted for family size

30DayProjectedPovertyLvl: [Sum30DayProjectedWage]/((([Status]![NumInHousehold]-1)*[PovertyGuidline]![PerAdditionalMember])+[PovertyGuidline]![1FamilyMember]

The formula works but I need it to have the expression use a foriegn key (Year) in the Status table, find the coresponding primay key in the PovertyGudline table and use the appropriate values for PerAdditionalMember and 1FamilyMember

How do I do that

Michael
 
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