Home / 276,976.38-415,520.46-87,466.34

Finding the Fourth Proportional to 276,976.38, 415,520.46 and 87,466.34

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Solution

The fourth proportional to 276,976.38, 415,520.46 and 87,466.34 is: 131,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,976.38 : 415,520.46 = 87,466.34 : x
  2. Step 2: Convert to fraction form
    276,976.38/415,520.46 = 87,466.34/x
  3. Step 3: Cross multiply
    276,976.38x = 415,520.46 × 87,466.34
  4. Step 4: Simplify right side
    276,976.38x = 36,344,053,831.32
  5. Step 5: Solve for x
    x = 36,344,053,831.32/276,976.38
  6. Step 6: Final answer
    x = 131,217.16

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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.