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Finding the Fourth Proportional to 357,209.16, 492,955.00 and 196,079.20

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Solution

The fourth proportional to 357,209.16, 492,955.00 and 196,079.20 is: 270,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,209.16 : 492,955.00 = 196,079.20 : x
  2. Step 2: Convert to fraction form
    357,209.16/492,955.00 = 196,079.20/x
  3. Step 3: Cross multiply
    357,209.16x = 492,955.00 × 196,079.20
  4. Step 4: Simplify right side
    357,209.16x = 96,658,220,313.41
  5. Step 5: Solve for x
    x = 96,658,220,313.41/357,209.16
  6. Step 6: Final answer
    x = 270,592.78

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