Home / 231,408.92-346,717.12-126,301.64

Finding the Fourth Proportional to 231,408.92, 346,717.12 and 126,301.64

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Solution

The fourth proportional to 231,408.92, 346,717.12 and 126,301.64 is: 189,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,408.92 : 346,717.12 = 126,301.64 : x
  2. Step 2: Convert to fraction form
    231,408.92/346,717.12 = 126,301.64/x
  3. Step 3: Cross multiply
    231,408.92x = 346,717.12 × 126,301.64
  4. Step 4: Simplify right side
    231,408.92x = 43,790,940,872.08
  5. Step 5: Solve for x
    x = 43,790,940,872.08/231,408.92
  6. Step 6: Final answer
    x = 189,236.18

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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.