Home / 481,077.20-721,680.60-165,630.80

Finding the Fourth Proportional to 481,077.20, 721,680.60 and 165,630.80

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Solution

The fourth proportional to 481,077.20, 721,680.60 and 165,630.80 is: 248,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,077.20 : 721,680.60 = 165,630.80 : x
  2. Step 2: Convert to fraction form
    481,077.20/721,680.60 = 165,630.80/x
  3. Step 3: Cross multiply
    481,077.20x = 721,680.60 × 165,630.80
  4. Step 4: Simplify right side
    481,077.20x = 119,532,535,122.48
  5. Step 5: Solve for x
    x = 119,532,535,122.48/481,077.20
  6. Step 6: Final answer
    x = 248,468.51

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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.