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Finding the Fourth Proportional to 461,174.60, 636,178.92 and 375,229.70

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Solution

The fourth proportional to 461,174.60, 636,178.92 and 375,229.70 is: 517,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,174.60 : 636,178.92 = 375,229.70 : x
  2. Step 2: Convert to fraction form
    461,174.60/636,178.92 = 375,229.70/x
  3. Step 3: Cross multiply
    461,174.60x = 636,178.92 × 375,229.70
  4. Step 4: Simplify right side
    461,174.60x = 238,713,225,297.92
  5. Step 5: Solve for x
    x = 238,713,225,297.92/461,174.60
  6. Step 6: Final answer
    x = 517,620.06

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1.5x scale

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.