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Finding the Fourth Proportional to 322,255.44, 444,712.80 and 179,028.80

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Solution

The fourth proportional to 322,255.44, 444,712.80 and 179,028.80 is: 247,059.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,255.44 : 444,712.80 = 179,028.80 : x
  2. Step 2: Convert to fraction form
    322,255.44/444,712.80 = 179,028.80/x
  3. Step 3: Cross multiply
    322,255.44x = 444,712.80 × 179,028.80
  4. Step 4: Simplify right side
    322,255.44x = 79,616,398,928.64
  5. Step 5: Solve for x
    x = 79,616,398,928.64/322,255.44
  6. Step 6: Final answer
    x = 247,059.91

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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.