Finding the Fourth Proportional to 507,201.60, 699,859.68 and 292,351.68
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Solution
The fourth proportional to 507,201.60, 699,859.68 and 292,351.68 is: 403,400.05
Step by Step Solution
- Step 1: Write the proportion equation
507,201.60 : 699,859.68 = 292,351.68 : x - Step 2: Convert to fraction form
507,201.60/699,859.68 = 292,351.68/x - Step 3: Cross multiply
507,201.60x = 699,859.68 × 292,351.68 - Step 4: Simplify right side
507,201.60x = 204,605,153,212.26 - Step 5: Solve for x
x = 204,605,153,212.26/507,201.60 - Step 6: Final answer
x = 403,400.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.