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Finding the Fourth Proportional to 354,608.60, 489,342.80 and 193,454.04

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Solution

The fourth proportional to 354,608.60, 489,342.80 and 193,454.04 is: 266,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,608.60 : 489,342.80 = 193,454.04 : x
  2. Step 2: Convert to fraction form
    354,608.60/489,342.80 = 193,454.04/x
  3. Step 3: Cross multiply
    354,608.60x = 489,342.80 × 193,454.04
  4. Step 4: Simplify right side
    354,608.60x = 94,665,341,604.91
  5. Step 5: Solve for x
    x = 94,665,341,604.91/354,608.60
  6. Step 6: Final answer
    x = 266,957.26

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