Home / 394,142.85-591,297.30-127,882.53

Finding the Fourth Proportional to 394,142.85, 591,297.30 and 127,882.53

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Solution

The fourth proportional to 394,142.85, 591,297.30 and 127,882.53 is: 191,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,142.85 : 591,297.30 = 127,882.53 : x
  2. Step 2: Convert to fraction form
    394,142.85/591,297.30 = 127,882.53/x
  3. Step 3: Cross multiply
    394,142.85x = 591,297.30 × 127,882.53
  4. Step 4: Simplify right side
    394,142.85x = 75,616,594,706.17
  5. Step 5: Solve for x
    x = 75,616,594,706.17/394,142.85
  6. Step 6: Final answer
    x = 191,850.73

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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.