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Finding the Fourth Proportional to 208,888.56, 288,235.80 and 119,447.28

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Solution

The fourth proportional to 208,888.56, 288,235.80 and 119,447.28 is: 164,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,888.56 : 288,235.80 = 119,447.28 : x
  2. Step 2: Convert to fraction form
    208,888.56/288,235.80 = 119,447.28/x
  3. Step 3: Cross multiply
    208,888.56x = 288,235.80 × 119,447.28
  4. Step 4: Simplify right side
    208,888.56x = 34,428,982,308.62
  5. Step 5: Solve for x
    x = 34,428,982,308.62/208,888.56
  6. Step 6: Final answer
    x = 164,819.86

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