Home / 231,437.64-346,708.10-131,294.90

Finding the Fourth Proportional to 231,437.64, 346,708.10 and 131,294.90

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Solution

The fourth proportional to 231,437.64, 346,708.10 and 131,294.90 is: 196,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,437.64 : 346,708.10 = 131,294.90 : x
  2. Step 2: Convert to fraction form
    231,437.64/346,708.10 = 131,294.90/x
  3. Step 3: Cross multiply
    231,437.64x = 346,708.10 × 131,294.90
  4. Step 4: Simplify right side
    231,437.64x = 45,521,005,318.69
  5. Step 5: Solve for x
    x = 45,521,005,318.69/231,437.64
  6. Step 6: Final answer
    x = 196,687.99

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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.