Finding the Fourth Proportional to 392,529.18, 588,419.69 and 126,102.66
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Solution
The fourth proportional to 392,529.18, 588,419.69 and 126,102.66 is: 189,033.82
Step by Step Solution
- Step 1: Write the proportion equation
392,529.18 : 588,419.69 = 126,102.66 : x - Step 2: Convert to fraction form
392,529.18/588,419.69 = 126,102.66/x - Step 3: Cross multiply
392,529.18x = 588,419.69 × 126,102.66 - Step 4: Simplify right side
392,529.18x = 74,201,288,105.38 - Step 5: Solve for x
x = 74,201,288,105.38/392,529.18 - Step 6: Final answer
x = 189,033.82
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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.