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Finding the Fourth Proportional to 221,672.52, 332,458.16 and 88,517.04

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Solution

The fourth proportional to 221,672.52, 332,458.16 and 88,517.04 is: 132,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,672.52 : 332,458.16 = 88,517.04 : x
  2. Step 2: Convert to fraction form
    221,672.52/332,458.16 = 88,517.04/x
  3. Step 3: Cross multiply
    221,672.52x = 332,458.16 × 88,517.04
  4. Step 4: Simplify right side
    221,672.52x = 29,428,212,247.05
  5. Step 5: Solve for x
    x = 29,428,212,247.05/221,672.52
  6. Step 6: Final answer
    x = 132,755.35

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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.