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Finding the Fourth Proportional to 323,896.91, 446,957.46 and 178,704.41

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Solution

The fourth proportional to 323,896.91, 446,957.46 and 178,704.41 is: 246,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,896.91 : 446,957.46 = 178,704.41 : x
  2. Step 2: Convert to fraction form
    323,896.91/446,957.46 = 178,704.41/x
  3. Step 3: Cross multiply
    323,896.91x = 446,957.46 × 178,704.41
  4. Step 4: Simplify right side
    323,896.91x = 79,873,266,949.61
  5. Step 5: Solve for x
    x = 79,873,266,949.61/323,896.91
  6. Step 6: Final answer
    x = 246,600.90

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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.