Home / 240,452.20-331,764.42-155,467

Finding the Fourth Proportional to 240,452.20, 331,764.42 and 155,467

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Solution

The fourth proportional to 240,452.20, 331,764.42 and 155,467 is: 214,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,452.20 : 331,764.42 = 155,467 : x
  2. Step 2: Convert to fraction form
    240,452.20/331,764.42 = 155,467/x
  3. Step 3: Cross multiply
    240,452.20x = 331,764.42 × 155,467
  4. Step 4: Simplify right side
    240,452.20x = 51,578,419,084.14
  5. Step 5: Solve for x
    x = 51,578,419,084.14/240,452.20
  6. Step 6: Final answer
    x = 214,505.91

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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.