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Finding the Fourth Proportional to 222,517.65, 333,797 and 72,758.71

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Solution

The fourth proportional to 222,517.65, 333,797 and 72,758.71 is: 109,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,517.65 : 333,797 = 72,758.71 : x
  2. Step 2: Convert to fraction form
    222,517.65/333,797 = 72,758.71/x
  3. Step 3: Cross multiply
    222,517.65x = 333,797 × 72,758.71
  4. Step 4: Simplify right side
    222,517.65x = 24,286,639,121.87
  5. Step 5: Solve for x
    x = 24,286,639,121.87/222,517.65
  6. Step 6: Final answer
    x = 109,144.78

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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.