Home / 226,743.40-340,151.10-76,997.80

Finding the Fourth Proportional to 226,743.40, 340,151.10 and 76,997.80

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Solution

The fourth proportional to 226,743.40, 340,151.10 and 76,997.80 is: 115,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,743.40 : 340,151.10 = 76,997.80 : x
  2. Step 2: Convert to fraction form
    226,743.40/340,151.10 = 76,997.80/x
  3. Step 3: Cross multiply
    226,743.40x = 340,151.10 × 76,997.80
  4. Step 4: Simplify right side
    226,743.40x = 26,190,886,367.58
  5. Step 5: Solve for x
    x = 26,190,886,367.58/226,743.40
  6. Step 6: Final answer
    x = 115,508.92

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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.