Home / 322,669.85-445,295.16-177,481.76

Finding the Fourth Proportional to 322,669.85, 445,295.16 and 177,481.76

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Solution

The fourth proportional to 322,669.85, 445,295.16 and 177,481.76 is: 244,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,669.85 : 445,295.16 = 177,481.76 : x
  2. Step 2: Convert to fraction form
    322,669.85/445,295.16 = 177,481.76/x
  3. Step 3: Cross multiply
    322,669.85x = 445,295.16 × 177,481.76
  4. Step 4: Simplify right side
    322,669.85x = 79,031,766,489.81
  5. Step 5: Solve for x
    x = 79,031,766,489.81/322,669.85
  6. Step 6: Final answer
    x = 244,930.75

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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.