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Finding the Fourth Proportional to 354,770.52, 489,593.62 and 193,635.88

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Solution

The fourth proportional to 354,770.52, 489,593.62 and 193,635.88 is: 267,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,770.52 : 489,593.62 = 193,635.88 : x
  2. Step 2: Convert to fraction form
    354,770.52/489,593.62 = 193,635.88/x
  3. Step 3: Cross multiply
    354,770.52x = 489,593.62 × 193,635.88
  4. Step 4: Simplify right side
    354,770.52x = 94,802,891,451.09
  5. Step 5: Solve for x
    x = 94,802,891,451.09/354,770.52
  6. Step 6: Final answer
    x = 267,223.14

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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.