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Finding the Fourth Proportional to 359,644.75, 496,274.41 and 198,489.39

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Solution

The fourth proportional to 359,644.75, 496,274.41 and 198,489.39 is: 273,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,644.75 : 496,274.41 = 198,489.39 : x
  2. Step 2: Convert to fraction form
    359,644.75/496,274.41 = 198,489.39/x
  3. Step 3: Cross multiply
    359,644.75x = 496,274.41 × 198,489.39
  4. Step 4: Simplify right side
    359,644.75x = 98,505,204,417.29
  5. Step 5: Solve for x
    x = 98,505,204,417.29/359,644.75
  6. Step 6: Final answer
    x = 273,895.85

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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.