Home / 278,192.68-417,289.02-130,414.12

Finding the Fourth Proportional to 278,192.68, 417,289.02 and 130,414.12

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Solution

The fourth proportional to 278,192.68, 417,289.02 and 130,414.12 is: 195,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,192.68 : 417,289.02 = 130,414.12 : x
  2. Step 2: Convert to fraction form
    278,192.68/417,289.02 = 130,414.12/x
  3. Step 3: Cross multiply
    278,192.68x = 417,289.02 × 130,414.12
  4. Step 4: Simplify right side
    278,192.68x = 54,420,380,328.96
  5. Step 5: Solve for x
    x = 54,420,380,328.96/278,192.68
  6. Step 6: Final answer
    x = 195,621.18

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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.