Home / 227,286.35-340,929.49-215,921.55

Finding the Fourth Proportional to 227,286.35, 340,929.49 and 215,921.55

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Solution

The fourth proportional to 227,286.35, 340,929.49 and 215,921.55 is: 323,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,286.35 : 340,929.49 = 215,921.55 : x
  2. Step 2: Convert to fraction form
    227,286.35/340,929.49 = 215,921.55/x
  3. Step 3: Cross multiply
    227,286.35x = 340,929.49 × 215,921.55
  4. Step 4: Simplify right side
    227,286.35x = 73,614,023,921.51
  5. Step 5: Solve for x
    x = 73,614,023,921.51/227,286.35
  6. Step 6: Final answer
    x = 323,882.29

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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.