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Finding the Fourth Proportional to 354,955.48, 489,840.94 and 193,811.64

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Solution

The fourth proportional to 354,955.48, 489,840.94 and 193,811.64 is: 267,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,955.48 : 489,840.94 = 193,811.64 : x
  2. Step 2: Convert to fraction form
    354,955.48/489,840.94 = 193,811.64/x
  3. Step 3: Cross multiply
    354,955.48x = 489,840.94 × 193,811.64
  4. Step 4: Simplify right side
    354,955.48x = 94,936,875,920.54
  5. Step 5: Solve for x
    x = 94,936,875,920.54/354,955.48
  6. Step 6: Final answer
    x = 267,461.36

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