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Finding the Fourth Proportional to 359,194.97, 494,777.71 and 274,164.41

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Solution

The fourth proportional to 359,194.97, 494,777.71 and 274,164.41 is: 377,651.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,194.97 : 494,777.71 = 274,164.41 : x
  2. Step 2: Convert to fraction form
    359,194.97/494,777.71 = 274,164.41/x
  3. Step 3: Cross multiply
    359,194.97x = 494,777.71 × 274,164.41
  4. Step 4: Simplify right side
    359,194.97x = 135,650,438,943.30
  5. Step 5: Solve for x
    x = 135,650,438,943.30/359,194.97
  6. Step 6: Final answer
    x = 377,651.28

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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.