Home / 276,951.03-415,523.21-87,440.73

Finding the Fourth Proportional to 276,951.03, 415,523.21 and 87,440.73

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Solution

The fourth proportional to 276,951.03, 415,523.21 and 87,440.73 is: 131,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,951.03 : 415,523.21 = 87,440.73 : x
  2. Step 2: Convert to fraction form
    276,951.03/415,523.21 = 87,440.73/x
  3. Step 3: Cross multiply
    276,951.03x = 415,523.21 × 87,440.73
  4. Step 4: Simplify right side
    276,951.03x = 36,333,652,377.14
  5. Step 5: Solve for x
    x = 36,333,652,377.14/276,951.03
  6. Step 6: Final answer
    x = 131,191.61

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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.