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Finding the Fourth Proportional to 322,371.96, 444,877.74 and 179,129.40

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Solution

The fourth proportional to 322,371.96, 444,877.74 and 179,129.40 is: 247,201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,371.96 : 444,877.74 = 179,129.40 : x
  2. Step 2: Convert to fraction form
    322,371.96/444,877.74 = 179,129.40/x
  3. Step 3: Cross multiply
    322,371.96x = 444,877.74 × 179,129.40
  4. Step 4: Simplify right side
    322,371.96x = 79,690,682,639.56
  5. Step 5: Solve for x
    x = 79,690,682,639.56/322,371.96
  6. Step 6: Final answer
    x = 247,201.04

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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.