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Finding the Fourth Proportional to 483,385.20, 725,077.80 and 203,449.20

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Solution

The fourth proportional to 483,385.20, 725,077.80 and 203,449.20 is: 305,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,385.20 : 725,077.80 = 203,449.20 : x
  2. Step 2: Convert to fraction form
    483,385.20/725,077.80 = 203,449.20/x
  3. Step 3: Cross multiply
    483,385.20x = 725,077.80 × 203,449.20
  4. Step 4: Simplify right side
    483,385.20x = 147,516,498,347.76
  5. Step 5: Solve for x
    x = 147,516,498,347.76/483,385.20
  6. Step 6: Final answer
    x = 305,173.80

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Similar ratio
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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.