Home / 231,414.92-346,726.12-126,307.64

Finding the Fourth Proportional to 231,414.92, 346,726.12 and 126,307.64

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Solution

The fourth proportional to 231,414.92, 346,726.12 and 126,307.64 is: 189,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,414.92 : 346,726.12 = 126,307.64 : x
  2. Step 2: Convert to fraction form
    231,414.92/346,726.12 = 126,307.64/x
  3. Step 3: Cross multiply
    231,414.92x = 346,726.12 × 126,307.64
  4. Step 4: Simplify right side
    231,414.92x = 43,794,157,943.56
  5. Step 5: Solve for x
    x = 43,794,157,943.56/231,414.92
  6. Step 6: Final answer
    x = 189,245.18

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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.