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Finding the Fourth Proportional to 322,243.64, 444,696 and 179,017

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Solution

The fourth proportional to 322,243.64, 444,696 and 179,017 is: 247,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,243.64 : 444,696 = 179,017 : x
  2. Step 2: Convert to fraction form
    322,243.64/444,696 = 179,017/x
  3. Step 3: Cross multiply
    322,243.64x = 444,696 × 179,017
  4. Step 4: Simplify right side
    322,243.64x = 79,608,143,832
  5. Step 5: Solve for x
    x = 79,608,143,832/322,243.64
  6. Step 6: Final answer
    x = 247,043.34

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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.