Home / 378,654.50-568,013.02-272,532.38

Finding the Fourth Proportional to 378,654.50, 568,013.02 and 272,532.38

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Solution

The fourth proportional to 378,654.50, 568,013.02 and 272,532.38 is: 408,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,654.50 : 568,013.02 = 272,532.38 : x
  2. Step 2: Convert to fraction form
    378,654.50/568,013.02 = 272,532.38/x
  3. Step 3: Cross multiply
    378,654.50x = 568,013.02 × 272,532.38
  4. Step 4: Simplify right side
    378,654.50x = 154,801,936,690.19
  5. Step 5: Solve for x
    x = 154,801,936,690.19/378,654.50
  6. Step 6: Final answer
    x = 408,821.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.