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Finding the Fourth Proportional to 461,332.78, 636,624.80 and 270,473.29

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Solution

The fourth proportional to 461,332.78, 636,624.80 and 270,473.29 is: 373,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,332.78 : 636,624.80 = 270,473.29 : x
  2. Step 2: Convert to fraction form
    461,332.78/636,624.80 = 270,473.29/x
  3. Step 3: Cross multiply
    461,332.78x = 636,624.80 × 270,473.29
  4. Step 4: Simplify right side
    461,332.78x = 172,190,002,221.94
  5. Step 5: Solve for x
    x = 172,190,002,221.94/461,332.78
  6. Step 6: Final answer
    x = 373,244.67

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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.