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Finding the Fourth Proportional to 221,265.54, 331,876.38 and 88,110

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Solution

The fourth proportional to 221,265.54, 331,876.38 and 88,110 is: 132,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,265.54 : 331,876.38 = 88,110 : x
  2. Step 2: Convert to fraction form
    221,265.54/331,876.38 = 88,110/x
  3. Step 3: Cross multiply
    221,265.54x = 331,876.38 × 88,110
  4. Step 4: Simplify right side
    221,265.54x = 29,241,627,841.80
  5. Step 5: Solve for x
    x = 29,241,627,841.80/221,265.54
  6. Step 6: Final answer
    x = 132,156.27

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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.