Home / 226,680.60-339,729.30-137,839.80

Finding the Fourth Proportional to 226,680.60, 339,729.30 and 137,839.80

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Solution

The fourth proportional to 226,680.60, 339,729.30 and 137,839.80 is: 206,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,680.60 : 339,729.30 = 137,839.80 : x
  2. Step 2: Convert to fraction form
    226,680.60/339,729.30 = 137,839.80/x
  3. Step 3: Cross multiply
    226,680.60x = 339,729.30 × 137,839.80
  4. Step 4: Simplify right side
    226,680.60x = 46,828,218,766.14
  5. Step 5: Solve for x
    x = 46,828,218,766.14/226,680.60
  6. Step 6: Final answer
    x = 206,582.38

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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.