Home / 322,724.74-445,353.78-179,481.70

Finding the Fourth Proportional to 322,724.74, 445,353.78 and 179,481.70

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Solution

The fourth proportional to 322,724.74, 445,353.78 and 179,481.70 is: 247,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,724.74 : 445,353.78 = 179,481.70 : x
  2. Step 2: Convert to fraction form
    322,724.74/445,353.78 = 179,481.70/x
  3. Step 3: Cross multiply
    322,724.74x = 445,353.78 × 179,481.70
  4. Step 4: Simplify right side
    322,724.74x = 79,932,853,535.83
  5. Step 5: Solve for x
    x = 79,932,853,535.83/322,724.74
  6. Step 6: Final answer
    x = 247,681.21

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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.