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Finding the Fourth Proportional to 422,052.33, 582,487.68 and 240,722.70

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Solution

The fourth proportional to 422,052.33, 582,487.68 and 240,722.70 is: 332,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,052.33 : 582,487.68 = 240,722.70 : x
  2. Step 2: Convert to fraction form
    422,052.33/582,487.68 = 240,722.70/x
  3. Step 3: Cross multiply
    422,052.33x = 582,487.68 × 240,722.70
  4. Step 4: Simplify right side
    422,052.33x = 140,218,005,764.72
  5. Step 5: Solve for x
    x = 140,218,005,764.72/422,052.33
  6. Step 6: Final answer
    x = 332,228.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.