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Finding the Fourth Proportional to 354,515.27, 489,232.60 and 193,373.78

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Solution

The fourth proportional to 354,515.27, 489,232.60 and 193,373.78 is: 266,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,515.27 : 489,232.60 = 193,373.78 : x
  2. Step 2: Convert to fraction form
    354,515.27/489,232.60 = 193,373.78/x
  3. Step 3: Cross multiply
    354,515.27x = 489,232.60 × 193,373.78
  4. Step 4: Simplify right side
    354,515.27x = 94,604,754,231.63
  5. Step 5: Solve for x
    x = 94,604,754,231.63/354,515.27
  6. Step 6: Final answer
    x = 266,856.65

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