Finding the Fourth Proportional to 337,638.08, 506,629.92 and 138,105.92
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Solution
The fourth proportional to 337,638.08, 506,629.92 and 138,105.92 is: 207,229.56
Step by Step Solution
- Step 1: Write the proportion equation
337,638.08 : 506,629.92 = 138,105.92 : x - Step 2: Convert to fraction form
337,638.08/506,629.92 = 138,105.92/x - Step 3: Cross multiply
337,638.08x = 506,629.92 × 138,105.92 - Step 4: Simplify right side
337,638.08x = 69,968,591,201.13 - Step 5: Solve for x
x = 69,968,591,201.13/337,638.08 - Step 6: Final answer
x = 207,229.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.