Finding the Fourth Proportional to 437,750.88, 656,727.84 and 138,261.12
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Solution
The fourth proportional to 437,750.88, 656,727.84 and 138,261.12 is: 207,423.74
Step by Step Solution
- Step 1: Write the proportion equation
437,750.88 : 656,727.84 = 138,261.12 : x - Step 2: Convert to fraction form
437,750.88/656,727.84 = 138,261.12/x - Step 3: Cross multiply
437,750.88x = 656,727.84 × 138,261.12 - Step 4: Simplify right side
437,750.88x = 90,799,926,693.58 - Step 5: Solve for x
x = 90,799,926,693.58/437,750.88 - Step 6: Final answer
x = 207,423.74
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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.