Finding the Fourth Proportional to 159,337.97, 239,047.95 and 47,013.65
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Solution
The fourth proportional to 159,337.97, 239,047.95 and 47,013.65 is: 70,532.57
Step by Step Solution
- Step 1: Write the proportion equation
159,337.97 : 239,047.95 = 47,013.65 : x - Step 2: Convert to fraction form
159,337.97/239,047.95 = 47,013.65/x - Step 3: Cross multiply
159,337.97x = 239,047.95 × 47,013.65 - Step 4: Simplify right side
159,337.97x = 11,238,516,654.52 - Step 5: Solve for x
x = 11,238,516,654.52/159,337.97 - Step 6: Final answer
x = 70,532.57
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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.