Home / 276,817.78-379,517.17-271,773.28

Finding the Fourth Proportional to 276,817.78, 379,517.17 and 271,773.28

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Solution

The fourth proportional to 276,817.78, 379,517.17 and 271,773.28 is: 372,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,817.78 : 379,517.17 = 271,773.28 : x
  2. Step 2: Convert to fraction form
    276,817.78/379,517.17 = 271,773.28/x
  3. Step 3: Cross multiply
    276,817.78x = 379,517.17 × 271,773.28
  4. Step 4: Simplify right side
    276,817.78x = 103,142,626,107.22
  5. Step 5: Solve for x
    x = 103,142,626,107.22/276,817.78
  6. Step 6: Final answer
    x = 372,601.16

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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.