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Finding the Fourth Proportional to 288,494.88, 398,084.64 and 161,149.92

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Solution

The fourth proportional to 288,494.88, 398,084.64 and 161,149.92 is: 222,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,494.88 : 398,084.64 = 161,149.92 : x
  2. Step 2: Convert to fraction form
    288,494.88/398,084.64 = 161,149.92/x
  3. Step 3: Cross multiply
    288,494.88x = 398,084.64 × 161,149.92
  4. Step 4: Simplify right side
    288,494.88x = 64,151,307,889.23
  5. Step 5: Solve for x
    x = 64,151,307,889.23/288,494.88
  6. Step 6: Final answer
    x = 222,365.50

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