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Finding the Fourth Proportional to 216,402.43, 324,607.26 and 98,074.78

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Solution

The fourth proportional to 216,402.43, 324,607.26 and 98,074.78 is: 147,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,402.43 : 324,607.26 = 98,074.78 : x
  2. Step 2: Convert to fraction form
    216,402.43/324,607.26 = 98,074.78/x
  3. Step 3: Cross multiply
    216,402.43x = 324,607.26 × 98,074.78
  4. Step 4: Simplify right side
    216,402.43x = 31,835,785,610.90
  5. Step 5: Solve for x
    x = 31,835,785,610.90/216,402.43
  6. Step 6: Final answer
    x = 147,113.81

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