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Finding the Fourth Proportional to 469,167.77, 647,452.61 and 254,306.87

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Solution

The fourth proportional to 469,167.77, 647,452.61 and 254,306.87 is: 350,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,167.77 : 647,452.61 = 254,306.87 : x
  2. Step 2: Convert to fraction form
    469,167.77/647,452.61 = 254,306.87/x
  3. Step 3: Cross multiply
    469,167.77x = 647,452.61 × 254,306.87
  4. Step 4: Simplify right side
    469,167.77x = 164,651,644,120.94
  5. Step 5: Solve for x
    x = 164,651,644,120.94/469,167.77
  6. Step 6: Final answer
    x = 350,944.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.