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Finding the Fourth Proportional to 88,218, 132,327 and 22,554

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Solution

The fourth proportional to 88,218, 132,327 and 22,554 is: 33,831

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,218 : 132,327 = 22,554 : x
  2. Step 2: Convert to fraction form
    88,218/132,327 = 22,554/x
  3. Step 3: Cross multiply
    88,218x = 132,327 × 22,554
  4. Step 4: Simplify right side
    88,218x = 2,984,503,158
  5. Step 5: Solve for x
    x = 2,984,503,158/88,218
  6. Step 6: Final answer
    x = 33,831

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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.