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Finding the Fourth Proportional to 44,917.20, 67,246.20 and 40,251.60

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Solution

The fourth proportional to 44,917.20, 67,246.20 and 40,251.60 is: 60,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,917.20 : 67,246.20 = 40,251.60 : x
  2. Step 2: Convert to fraction form
    44,917.20/67,246.20 = 40,251.60/x
  3. Step 3: Cross multiply
    44,917.20x = 67,246.20 × 40,251.60
  4. Step 4: Simplify right side
    44,917.20x = 2,706,767,143.92
  5. Step 5: Solve for x
    x = 2,706,767,143.92/44,917.20
  6. Step 6: Final answer
    x = 60,261.26

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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.