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Finding the Fourth Proportional to 400,769.43, 601,154.13 and 101,250.87

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Solution

The fourth proportional to 400,769.43, 601,154.13 and 101,250.87 is: 151,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,769.43 : 601,154.13 = 101,250.87 : x
  2. Step 2: Convert to fraction form
    400,769.43/601,154.13 = 101,250.87/x
  3. Step 3: Cross multiply
    400,769.43x = 601,154.13 × 101,250.87
  4. Step 4: Simplify right side
    400,769.43x = 60,867,378,666.59
  5. Step 5: Solve for x
    x = 60,867,378,666.59/400,769.43
  6. Step 6: Final answer
    x = 151,876.30

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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.