Home / 227,517.28-313,982.40-126,934.72

Finding the Fourth Proportional to 227,517.28, 313,982.40 and 126,934.72

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Solution

The fourth proportional to 227,517.28, 313,982.40 and 126,934.72 is: 175,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,517.28 : 313,982.40 = 126,934.72 : x
  2. Step 2: Convert to fraction form
    227,517.28/313,982.40 = 126,934.72/x
  3. Step 3: Cross multiply
    227,517.28x = 313,982.40 × 126,934.72
  4. Step 4: Simplify right side
    227,517.28x = 39,855,268,028.93
  5. Step 5: Solve for x
    x = 39,855,268,028.93/227,517.28
  6. Step 6: Final answer
    x = 175,174.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.