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Finding the Fourth Proportional to 226,680, 340,017.98 and 84,520.44

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Solution

The fourth proportional to 226,680, 340,017.98 and 84,520.44 is: 126,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,680 : 340,017.98 = 84,520.44 : x
  2. Step 2: Convert to fraction form
    226,680/340,017.98 = 84,520.44/x
  3. Step 3: Cross multiply
    226,680x = 340,017.98 × 84,520.44
  4. Step 4: Simplify right side
    226,680x = 28,738,468,854.91
  5. Step 5: Solve for x
    x = 28,738,468,854.91/226,680
  6. Step 6: Final answer
    x = 126,779.90

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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.