Finding the Fourth Proportional to 392,886.96, 588,935.88 and 126,451.68
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Solution
The fourth proportional to 392,886.96, 588,935.88 and 126,451.68 is: 189,550.53
Step by Step Solution
- Step 1: Write the proportion equation
392,886.96 : 588,935.88 = 126,451.68 : x - Step 2: Convert to fraction form
392,886.96/588,935.88 = 126,451.68/x - Step 3: Cross multiply
392,886.96x = 588,935.88 × 126,451.68 - Step 4: Simplify right side
392,886.96x = 74,471,931,438.28 - Step 5: Solve for x
x = 74,471,931,438.28/392,886.96 - Step 6: Final answer
x = 189,550.53
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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.