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Finding the Fourth Proportional to 247,524.30, 371,104.50 and 78,947.64

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Solution

The fourth proportional to 247,524.30, 371,104.50 and 78,947.64 is: 118,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,524.30 : 371,104.50 = 78,947.64 : x
  2. Step 2: Convert to fraction form
    247,524.30/371,104.50 = 78,947.64/x
  3. Step 3: Cross multiply
    247,524.30x = 371,104.50 × 78,947.64
  4. Step 4: Simplify right side
    247,524.30x = 29,297,824,468.38
  5. Step 5: Solve for x
    x = 29,297,824,468.38/247,524.30
  6. Step 6: Final answer
    x = 118,363.43

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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.