Home / 231,287.08-346,694.30-131,235.92

Finding the Fourth Proportional to 231,287.08, 346,694.30 and 131,235.92

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Solution

The fourth proportional to 231,287.08, 346,694.30 and 131,235.92 is: 196,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,287.08 : 346,694.30 = 131,235.92 : x
  2. Step 2: Convert to fraction form
    231,287.08/346,694.30 = 131,235.92/x
  3. Step 3: Cross multiply
    231,287.08x = 346,694.30 × 131,235.92
  4. Step 4: Simplify right side
    231,287.08x = 45,498,745,419.26
  5. Step 5: Solve for x
    x = 45,498,745,419.26/231,287.08
  6. Step 6: Final answer
    x = 196,719.79

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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.