Home / 276,811.35-415,217.03-271,562.55

Finding the Fourth Proportional to 276,811.35, 415,217.03 and 271,562.55

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Solution

The fourth proportional to 276,811.35, 415,217.03 and 271,562.55 is: 407,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,811.35 : 415,217.03 = 271,562.55 : x
  2. Step 2: Convert to fraction form
    276,811.35/415,217.03 = 271,562.55/x
  3. Step 3: Cross multiply
    276,811.35x = 415,217.03 × 271,562.55
  4. Step 4: Simplify right side
    276,811.35x = 112,757,394,112.41
  5. Step 5: Solve for x
    x = 112,757,394,112.41/276,811.35
  6. Step 6: Final answer
    x = 407,343.83

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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.