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Finding the Fourth Proportional to 322,213.52, 444,654.47 and 178,986.89

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Solution

The fourth proportional to 322,213.52, 444,654.47 and 178,986.89 is: 247,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,213.52 : 444,654.47 = 178,986.89 : x
  2. Step 2: Convert to fraction form
    322,213.52/444,654.47 = 178,986.89/x
  3. Step 3: Cross multiply
    322,213.52x = 444,654.47 × 178,986.89
  4. Step 4: Simplify right side
    322,213.52x = 79,587,318,934.09
  5. Step 5: Solve for x
    x = 79,587,318,934.09/322,213.52
  6. Step 6: Final answer
    x = 247,001.80

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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.