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Finding the Fourth Proportional to 230,978.28, 345,828.33 and 118,415.82

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Solution

The fourth proportional to 230,978.28, 345,828.33 and 118,415.82 is: 177,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,978.28 : 345,828.33 = 118,415.82 : x
  2. Step 2: Convert to fraction form
    230,978.28/345,828.33 = 118,415.82/x
  3. Step 3: Cross multiply
    230,978.28x = 345,828.33 × 118,415.82
  4. Step 4: Simplify right side
    230,978.28x = 40,951,545,276.18
  5. Step 5: Solve for x
    x = 40,951,545,276.18/230,978.28
  6. Step 6: Final answer
    x = 177,296.09

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