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Finding the Fourth Proportional to 357,963.57, 493,990.07 and 196,821.36

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Solution

The fourth proportional to 357,963.57, 493,990.07 and 196,821.36 is: 271,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,963.57 : 493,990.07 = 196,821.36 : x
  2. Step 2: Convert to fraction form
    357,963.57/493,990.07 = 196,821.36/x
  3. Step 3: Cross multiply
    357,963.57x = 493,990.07 × 196,821.36
  4. Step 4: Simplify right side
    357,963.57x = 97,227,796,419.79
  5. Step 5: Solve for x
    x = 97,227,796,419.79/357,963.57
  6. Step 6: Final answer
    x = 271,613.66

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