Home / 227,423.10-340,691.37-138,455.94

Finding the Fourth Proportional to 227,423.10, 340,691.37 and 138,455.94

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Solution

The fourth proportional to 227,423.10, 340,691.37 and 138,455.94 is: 207,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,423.10 : 340,691.37 = 138,455.94 : x
  2. Step 2: Convert to fraction form
    227,423.10/340,691.37 = 138,455.94/x
  3. Step 3: Cross multiply
    227,423.10x = 340,691.37 × 138,455.94
  4. Step 4: Simplify right side
    227,423.10x = 47,170,743,883.24
  5. Step 5: Solve for x
    x = 47,170,743,883.24/227,423.10
  6. Step 6: Final answer
    x = 207,414.04

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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.