Home / 215,529.60-323,294.40-82,414.20

Finding the Fourth Proportional to 215,529.60, 323,294.40 and 82,414.20

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Solution

The fourth proportional to 215,529.60, 323,294.40 and 82,414.20 is: 123,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,529.60 : 323,294.40 = 82,414.20 : x
  2. Step 2: Convert to fraction form
    215,529.60/323,294.40 = 82,414.20/x
  3. Step 3: Cross multiply
    215,529.60x = 323,294.40 × 82,414.20
  4. Step 4: Simplify right side
    215,529.60x = 26,644,049,340.48
  5. Step 5: Solve for x
    x = 26,644,049,340.48/215,529.60
  6. Step 6: Final answer
    x = 123,621.30

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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.