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Finding the Fourth Proportional to 396,123.75, 546,651.68 and 226,357.47

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Solution

The fourth proportional to 396,123.75, 546,651.68 and 226,357.47 is: 312,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,123.75 : 546,651.68 = 226,357.47 : x
  2. Step 2: Convert to fraction form
    396,123.75/546,651.68 = 226,357.47/x
  3. Step 3: Cross multiply
    396,123.75x = 546,651.68 × 226,357.47
  4. Step 4: Simplify right side
    396,123.75x = 123,738,690,124.26
  5. Step 5: Solve for x
    x = 123,738,690,124.26/396,123.75
  6. Step 6: Final answer
    x = 312,373.82

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