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Finding the Fourth Proportional to 636,379.20, 954,564.48 and 215,951.04

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Solution

The fourth proportional to 636,379.20, 954,564.48 and 215,951.04 is: 323,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,379.20 : 954,564.48 = 215,951.04 : x
  2. Step 2: Convert to fraction form
    636,379.20/954,564.48 = 215,951.04/x
  3. Step 3: Cross multiply
    636,379.20x = 954,564.48 × 215,951.04
  4. Step 4: Simplify right side
    636,379.20x = 206,139,192,203.06
  5. Step 5: Solve for x
    x = 206,139,192,203.06/636,379.20
  6. Step 6: Final answer
    x = 323,925.09

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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.