Home / 276,818.28-379,517.85-271,773.78

Finding the Fourth Proportional to 276,818.28, 379,517.85 and 271,773.78

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Solution

The fourth proportional to 276,818.28, 379,517.85 and 271,773.78 is: 372,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,818.28 : 379,517.85 = 271,773.78 : x
  2. Step 2: Convert to fraction form
    276,818.28/379,517.85 = 271,773.78/x
  3. Step 3: Cross multiply
    276,818.28x = 379,517.85 × 271,773.78
  4. Step 4: Simplify right side
    276,818.28x = 103,143,000,671.97
  5. Step 5: Solve for x
    x = 103,143,000,671.97/276,818.28
  6. Step 6: Final answer
    x = 372,601.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.