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Finding the Fourth Proportional to 60,286.98, 90,357.94 and 22,305.97

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Solution

The fourth proportional to 60,286.98, 90,357.94 and 22,305.97 is: 33,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,286.98 : 90,357.94 = 22,305.97 : x
  2. Step 2: Convert to fraction form
    60,286.98/90,357.94 = 22,305.97/x
  3. Step 3: Cross multiply
    60,286.98x = 90,357.94 × 22,305.97
  4. Step 4: Simplify right side
    60,286.98x = 2,015,521,498.90
  5. Step 5: Solve for x
    x = 2,015,521,498.90/60,286.98
  6. Step 6: Final answer
    x = 33,432.12

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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.