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Finding the Fourth Proportional to 240,942.43, 361,414.46 and 61,027.80

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Solution

The fourth proportional to 240,942.43, 361,414.46 and 61,027.80 is: 91,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,942.43 : 361,414.46 = 61,027.80 : x
  2. Step 2: Convert to fraction form
    240,942.43/361,414.46 = 61,027.80/x
  3. Step 3: Cross multiply
    240,942.43x = 361,414.46 × 61,027.80
  4. Step 4: Simplify right side
    240,942.43x = 22,056,327,835.97
  5. Step 5: Solve for x
    x = 22,056,327,835.97/240,942.43
  6. Step 6: Final answer
    x = 91,541.90

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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.