Home / 388,082.20-582,123.30-341,426.20

Finding the Fourth Proportional to 388,082.20, 582,123.30 and 341,426.20

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Solution

The fourth proportional to 388,082.20, 582,123.30 and 341,426.20 is: 512,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,082.20 : 582,123.30 = 341,426.20 : x
  2. Step 2: Convert to fraction form
    388,082.20/582,123.30 = 341,426.20/x
  3. Step 3: Cross multiply
    388,082.20x = 582,123.30 × 341,426.20
  4. Step 4: Simplify right side
    388,082.20x = 198,752,146,250.46
  5. Step 5: Solve for x
    x = 198,752,146,250.46/388,082.20
  6. Step 6: Final answer
    x = 512,139.30

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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.