Home / 274,986.38-412,472.01-87,995.18

Finding the Fourth Proportional to 274,986.38, 412,472.01 and 87,995.18

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Solution

The fourth proportional to 274,986.38, 412,472.01 and 87,995.18 is: 131,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,986.38 : 412,472.01 = 87,995.18 : x
  2. Step 2: Convert to fraction form
    274,986.38/412,472.01 = 87,995.18/x
  3. Step 3: Cross multiply
    274,986.38x = 412,472.01 × 87,995.18
  4. Step 4: Simplify right side
    274,986.38x = 36,295,548,764.91
  5. Step 5: Solve for x
    x = 36,295,548,764.91/274,986.38
  6. Step 6: Final answer
    x = 131,990.35

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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.