Home / 320,847.60-481,261.20-152,489.04

Finding the Fourth Proportional to 320,847.60, 481,261.20 and 152,489.04

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Solution

The fourth proportional to 320,847.60, 481,261.20 and 152,489.04 is: 228,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,847.60 : 481,261.20 = 152,489.04 : x
  2. Step 2: Convert to fraction form
    320,847.60/481,261.20 = 152,489.04/x
  3. Step 3: Cross multiply
    320,847.60x = 481,261.20 × 152,489.04
  4. Step 4: Simplify right side
    320,847.60x = 73,387,058,377.25
  5. Step 5: Solve for x
    x = 73,387,058,377.25/320,847.60
  6. Step 6: Final answer
    x = 228,728.71

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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.