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Finding the Fourth Proportional to 288,627.05, 398,317.63 and 161,302.64

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Solution

The fourth proportional to 288,627.05, 398,317.63 and 161,302.64 is: 222,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,627.05 : 398,317.63 = 161,302.64 : x
  2. Step 2: Convert to fraction form
    288,627.05/398,317.63 = 161,302.64/x
  3. Step 3: Cross multiply
    288,627.05x = 398,317.63 × 161,302.64
  4. Step 4: Simplify right side
    288,627.05x = 64,249,684,972.01
  5. Step 5: Solve for x
    x = 64,249,684,972.01/288,627.05
  6. Step 6: Final answer
    x = 222,604.52

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