Home / 226,830.20-340,007.92-84,618.25

Finding the Fourth Proportional to 226,830.20, 340,007.92 and 84,618.25

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Solution

The fourth proportional to 226,830.20, 340,007.92 and 84,618.25 is: 126,838.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,830.20 : 340,007.92 = 84,618.25 : x
  2. Step 2: Convert to fraction form
    226,830.20/340,007.92 = 84,618.25/x
  3. Step 3: Cross multiply
    226,830.20x = 340,007.92 × 84,618.25
  4. Step 4: Simplify right side
    226,830.20x = 28,770,874,114.97
  5. Step 5: Solve for x
    x = 28,770,874,114.97/226,830.20
  6. Step 6: Final answer
    x = 126,838.82

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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.