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Finding the Fourth Proportional to 322,040.52, 444,429.80 and 178,800.56

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Solution

The fourth proportional to 322,040.52, 444,429.80 and 178,800.56 is: 246,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,040.52 : 444,429.80 = 178,800.56 : x
  2. Step 2: Convert to fraction form
    322,040.52/444,429.80 = 178,800.56/x
  3. Step 3: Cross multiply
    322,040.52x = 444,429.80 × 178,800.56
  4. Step 4: Simplify right side
    322,040.52x = 79,464,297,120.69
  5. Step 5: Solve for x
    x = 79,464,297,120.69/322,040.52
  6. Step 6: Final answer
    x = 246,752.48

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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.