Home / 394,450.20-591,821.10-157,962.60

Finding the Fourth Proportional to 394,450.20, 591,821.10 and 157,962.60

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Solution

The fourth proportional to 394,450.20, 591,821.10 and 157,962.60 is: 237,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,450.20 : 591,821.10 = 157,962.60 : x
  2. Step 2: Convert to fraction form
    394,450.20/591,821.10 = 157,962.60/x
  3. Step 3: Cross multiply
    394,450.20x = 591,821.10 × 157,962.60
  4. Step 4: Simplify right side
    394,450.20x = 93,485,599,690.86
  5. Step 5: Solve for x
    x = 93,485,599,690.86/394,450.20
  6. Step 6: Final answer
    x = 237,002.29

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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.