Home / 215,470.92-323,181.66-82,348.22

Finding the Fourth Proportional to 215,470.92, 323,181.66 and 82,348.22

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Solution

The fourth proportional to 215,470.92, 323,181.66 and 82,348.22 is: 123,512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,470.92 : 323,181.66 = 82,348.22 : x
  2. Step 2: Convert to fraction form
    215,470.92/323,181.66 = 82,348.22/x
  3. Step 3: Cross multiply
    215,470.92x = 323,181.66 × 82,348.22
  4. Step 4: Simplify right side
    215,470.92x = 26,613,434,437.65
  5. Step 5: Solve for x
    x = 26,613,434,437.65/215,470.92
  6. Step 6: Final answer
    x = 123,512.88

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1.5x scale

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.