Home / 268,247.30-402,419.55-134,791.70

Finding the Fourth Proportional to 268,247.30, 402,419.55 and 134,791.70

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Solution

The fourth proportional to 268,247.30, 402,419.55 and 134,791.70 is: 202,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,247.30 : 402,419.55 = 134,791.70 : x
  2. Step 2: Convert to fraction form
    268,247.30/402,419.55 = 134,791.70/x
  3. Step 3: Cross multiply
    268,247.30x = 402,419.55 × 134,791.70
  4. Step 4: Simplify right side
    268,247.30x = 54,242,815,257.74
  5. Step 5: Solve for x
    x = 54,242,815,257.74/268,247.30
  6. Step 6: Final answer
    x = 202,211.97

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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.