Home / 276,767.30-415,029.45-126,957.80

Finding the Fourth Proportional to 276,767.30, 415,029.45 and 126,957.80

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Solution

The fourth proportional to 276,767.30, 415,029.45 and 126,957.80 is: 190,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,767.30 : 415,029.45 = 126,957.80 : x
  2. Step 2: Convert to fraction form
    276,767.30/415,029.45 = 126,957.80/x
  3. Step 3: Cross multiply
    276,767.30x = 415,029.45 × 126,957.80
  4. Step 4: Simplify right side
    276,767.30x = 52,691,225,907.21
  5. Step 5: Solve for x
    x = 52,691,225,907.21/276,767.30
  6. Step 6: Final answer
    x = 190,380.97

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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.