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Finding the Fourth Proportional to 362,650.80, 543,976.20 and 288,001.20

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Solution

The fourth proportional to 362,650.80, 543,976.20 and 288,001.20 is: 432,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,650.80 : 543,976.20 = 288,001.20 : x
  2. Step 2: Convert to fraction form
    362,650.80/543,976.20 = 288,001.20/x
  3. Step 3: Cross multiply
    362,650.80x = 543,976.20 × 288,001.20
  4. Step 4: Simplify right side
    362,650.80x = 156,665,798,371.44
  5. Step 5: Solve for x
    x = 156,665,798,371.44/362,650.80
  6. Step 6: Final answer
    x = 432,001.80

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Similar ratio
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1.5x scale

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.