Home / 276,819.28-379,519.22-271,774.80

Finding the Fourth Proportional to 276,819.28, 379,519.22 and 271,774.80

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Solution

The fourth proportional to 276,819.28, 379,519.22 and 271,774.80 is: 372,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,819.28 : 379,519.22 = 271,774.80 : x
  2. Step 2: Convert to fraction form
    276,819.28/379,519.22 = 271,774.80/x
  3. Step 3: Cross multiply
    276,819.28x = 379,519.22 × 271,774.80
  4. Step 4: Simplify right side
    276,819.28x = 103,143,760,111.66
  5. Step 5: Solve for x
    x = 103,143,760,111.66/276,819.28
  6. Step 6: Final answer
    x = 372,603.24

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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.