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Finding the Fourth Proportional to 444,769.11, 667,194.68 and 145,251.25

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Solution

The fourth proportional to 444,769.11, 667,194.68 and 145,251.25 is: 217,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,769.11 : 667,194.68 = 145,251.25 : x
  2. Step 2: Convert to fraction form
    444,769.11/667,194.68 = 145,251.25/x
  3. Step 3: Cross multiply
    444,769.11x = 667,194.68 × 145,251.25
  4. Step 4: Simplify right side
    444,769.11x = 96,910,859,958.49
  5. Step 5: Solve for x
    x = 96,910,859,958.49/444,769.11
  6. Step 6: Final answer
    x = 217,890.27

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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.