Home / 226,729.20-339,870.60-126,937.20

Finding the Fourth Proportional to 226,729.20, 339,870.60 and 126,937.20

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Solution

The fourth proportional to 226,729.20, 339,870.60 and 126,937.20 is: 190,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,729.20 : 339,870.60 = 126,937.20 : x
  2. Step 2: Convert to fraction form
    226,729.20/339,870.60 = 126,937.20/x
  3. Step 3: Cross multiply
    226,729.20x = 339,870.60 × 126,937.20
  4. Step 4: Simplify right side
    226,729.20x = 43,142,222,326.32
  5. Step 5: Solve for x
    x = 43,142,222,326.32/226,729.20
  6. Step 6: Final answer
    x = 190,280.84

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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.