Home / 322,255.38-444,725.06-220,494.28

Finding the Fourth Proportional to 322,255.38, 444,725.06 and 220,494.28

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Solution

The fourth proportional to 322,255.38, 444,725.06 and 220,494.28 is: 304,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,255.38 : 444,725.06 = 220,494.28 : x
  2. Step 2: Convert to fraction form
    322,255.38/444,725.06 = 220,494.28/x
  3. Step 3: Cross multiply
    322,255.38x = 444,725.06 × 220,494.28
  4. Step 4: Simplify right side
    322,255.38x = 98,059,331,902.66
  5. Step 5: Solve for x
    x = 98,059,331,902.66/322,255.38
  6. Step 6: Final answer
    x = 304,290.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.