Finding the Fourth Proportional to 429,489.92, 592,704.06 and 238,521.08
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Solution
The fourth proportional to 429,489.92, 592,704.06 and 238,521.08 is: 329,163.52
Step by Step Solution
- Step 1: Write the proportion equation
429,489.92 : 592,704.06 = 238,521.08 : x - Step 2: Convert to fraction form
429,489.92/592,704.06 = 238,521.08/x - Step 3: Cross multiply
429,489.92x = 592,704.06 × 238,521.08 - Step 4: Simplify right side
429,489.92x = 141,372,412,511.59 - Step 5: Solve for x
x = 141,372,412,511.59/429,489.92 - Step 6: Final answer
x = 329,163.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.