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Finding the Fourth Proportional to 416,892.69, 625,375.94 and 117,375.84

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Solution

The fourth proportional to 416,892.69, 625,375.94 and 117,375.84 is: 176,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,892.69 : 625,375.94 = 117,375.84 : x
  2. Step 2: Convert to fraction form
    416,892.69/625,375.94 = 117,375.84/x
  3. Step 3: Cross multiply
    416,892.69x = 625,375.94 × 117,375.84
  4. Step 4: Simplify right side
    416,892.69x = 73,404,027,836.73
  5. Step 5: Solve for x
    x = 73,404,027,836.73/416,892.69
  6. Step 6: Final answer
    x = 176,074.15

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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.