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Finding the Fourth Proportional to 240,512.87, 360,658.11 and 135,331.83

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Solution

The fourth proportional to 240,512.87, 360,658.11 and 135,331.83 is: 202,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,512.87 : 360,658.11 = 135,331.83 : x
  2. Step 2: Convert to fraction form
    240,512.87/360,658.11 = 135,331.83/x
  3. Step 3: Cross multiply
    240,512.87x = 360,658.11 × 135,331.83
  4. Step 4: Simplify right side
    240,512.87x = 48,808,522,030.64
  5. Step 5: Solve for x
    x = 48,808,522,030.64/240,512.87
  6. Step 6: Final answer
    x = 202,935.18

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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.