Finding the Fourth Proportional to 138,403.87, 207,444.51 and 63,531.92
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Solution
The fourth proportional to 138,403.87, 207,444.51 and 63,531.92 is: 95,223.84
Step by Step Solution
- Step 1: Write the proportion equation
138,403.87 : 207,444.51 = 63,531.92 : x - Step 2: Convert to fraction form
138,403.87/207,444.51 = 63,531.92/x - Step 3: Cross multiply
138,403.87x = 207,444.51 × 63,531.92 - Step 4: Simplify right side
138,403.87x = 13,179,348,013.76 - Step 5: Solve for x
x = 13,179,348,013.76/138,403.87 - Step 6: Final answer
x = 95,223.84
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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.