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Finding the Fourth Proportional to 322,029.45, 444,380.07 and 178,789.44

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Solution

The fourth proportional to 322,029.45, 444,380.07 and 178,789.44 is: 246,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,029.45 : 444,380.07 = 178,789.44 : x
  2. Step 2: Convert to fraction form
    322,029.45/444,380.07 = 178,789.44/x
  3. Step 3: Cross multiply
    322,029.45x = 444,380.07 × 178,789.44
  4. Step 4: Simplify right side
    322,029.45x = 79,450,463,862.46
  5. Step 5: Solve for x
    x = 79,450,463,862.46/322,029.45
  6. Step 6: Final answer
    x = 246,718.01

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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.