Home / 240,377.18-331,715.49-149,687.42

Finding the Fourth Proportional to 240,377.18, 331,715.49 and 149,687.42

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Solution

The fourth proportional to 240,377.18, 331,715.49 and 149,687.42 is: 206,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,377.18 : 331,715.49 = 149,687.42 : x
  2. Step 2: Convert to fraction form
    240,377.18/331,715.49 = 149,687.42/x
  3. Step 3: Cross multiply
    240,377.18x = 331,715.49 × 149,687.42
  4. Step 4: Simplify right side
    240,377.18x = 49,653,635,872.14
  5. Step 5: Solve for x
    x = 49,653,635,872.14/240,377.18
  6. Step 6: Final answer
    x = 206,565.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.