Home / 231,319.30-346,932.48-81,565.69

Finding the Fourth Proportional to 231,319.30, 346,932.48 and 81,565.69

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Solution

The fourth proportional to 231,319.30, 346,932.48 and 81,565.69 is: 122,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,319.30 : 346,932.48 = 81,565.69 : x
  2. Step 2: Convert to fraction form
    231,319.30/346,932.48 = 81,565.69/x
  3. Step 3: Cross multiply
    231,319.30x = 346,932.48 × 81,565.69
  4. Step 4: Simplify right side
    231,319.30x = 28,297,787,114.61
  5. Step 5: Solve for x
    x = 28,297,787,114.61/231,319.30
  6. Step 6: Final answer
    x = 122,332.15

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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.