Home / 227,439.12-340,920.36-127,452.72

Finding the Fourth Proportional to 227,439.12, 340,920.36 and 127,452.72

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Solution

The fourth proportional to 227,439.12, 340,920.36 and 127,452.72 is: 191,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,439.12 : 340,920.36 = 127,452.72 : x
  2. Step 2: Convert to fraction form
    227,439.12/340,920.36 = 127,452.72/x
  3. Step 3: Cross multiply
    227,439.12x = 340,920.36 × 127,452.72
  4. Step 4: Simplify right side
    227,439.12x = 43,451,227,185.38
  5. Step 5: Solve for x
    x = 43,451,227,185.38/227,439.12
  6. Step 6: Final answer
    x = 191,045.53

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1.5x scale

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.