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Finding the Fourth Proportional to 323,801.56, 446,846.59 and 178,604.09

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Solution

The fourth proportional to 323,801.56, 446,846.59 and 178,604.09 is: 246,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,801.56 : 446,846.59 = 178,604.09 : x
  2. Step 2: Convert to fraction form
    323,801.56/446,846.59 = 178,604.09/x
  3. Step 3: Cross multiply
    323,801.56x = 446,846.59 × 178,604.09
  4. Step 4: Simplify right side
    323,801.56x = 79,808,627,487.76
  5. Step 5: Solve for x
    x = 79,808,627,487.76/323,801.56
  6. Step 6: Final answer
    x = 246,473.88

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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.