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Finding the Fourth Proportional to 279,177.84, 418,805.37 and 89,593.70

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Solution

The fourth proportional to 279,177.84, 418,805.37 and 89,593.70 is: 134,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,177.84 : 418,805.37 = 89,593.70 : x
  2. Step 2: Convert to fraction form
    279,177.84/418,805.37 = 89,593.70/x
  3. Step 3: Cross multiply
    279,177.84x = 418,805.37 × 89,593.70
  4. Step 4: Simplify right side
    279,177.84x = 37,522,320,584.14
  5. Step 5: Solve for x
    x = 37,522,320,584.14/279,177.84
  6. Step 6: Final answer
    x = 134,402.93

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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.