Home / 206,318.41-309,524.29-73,198.82

Finding the Fourth Proportional to 206,318.41, 309,524.29 and 73,198.82

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Solution

The fourth proportional to 206,318.41, 309,524.29 and 73,198.82 is: 109,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,318.41 : 309,524.29 = 73,198.82 : x
  2. Step 2: Convert to fraction form
    206,318.41/309,524.29 = 73,198.82/x
  3. Step 3: Cross multiply
    206,318.41x = 309,524.29 × 73,198.82
  4. Step 4: Simplify right side
    206,318.41x = 22,656,813,380.15
  5. Step 5: Solve for x
    x = 22,656,813,380.15/206,318.41
  6. Step 6: Final answer
    x = 109,814.79

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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.