Home / 331,538.62-497,304.24-198,456.04

Finding the Fourth Proportional to 331,538.62, 497,304.24 and 198,456.04

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Solution

The fourth proportional to 331,538.62, 497,304.24 and 198,456.04 is: 297,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,538.62 : 497,304.24 = 198,456.04 : x
  2. Step 2: Convert to fraction form
    331,538.62/497,304.24 = 198,456.04/x
  3. Step 3: Cross multiply
    331,538.62x = 497,304.24 × 198,456.04
  4. Step 4: Simplify right side
    331,538.62x = 98,693,030,145.61
  5. Step 5: Solve for x
    x = 98,693,030,145.61/331,538.62
  6. Step 6: Final answer
    x = 297,681.85

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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.