Finding the Fourth Proportional to 392,147.93, 588,160.39 and 107,859.80
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Solution
The fourth proportional to 392,147.93, 588,160.39 and 107,859.80 is: 161,772.79
Step by Step Solution
- Step 1: Write the proportion equation
392,147.93 : 588,160.39 = 107,859.80 : x - Step 2: Convert to fraction form
392,147.93/588,160.39 = 107,859.80/x - Step 3: Cross multiply
392,147.93x = 588,160.39 × 107,859.80 - Step 4: Simplify right side
392,147.93x = 63,438,863,436.31 - Step 5: Solve for x
x = 63,438,863,436.31/392,147.93 - Step 6: Final answer
x = 161,772.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.