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Finding the Fourth Proportional to 354,046.40, 531,069.60 and 167,422.40

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Solution

The fourth proportional to 354,046.40, 531,069.60 and 167,422.40 is: 251,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,046.40 : 531,069.60 = 167,422.40 : x
  2. Step 2: Convert to fraction form
    354,046.40/531,069.60 = 167,422.40/x
  3. Step 3: Cross multiply
    354,046.40x = 531,069.60 × 167,422.40
  4. Step 4: Simplify right side
    354,046.40x = 88,912,946,999.04
  5. Step 5: Solve for x
    x = 88,912,946,999.04/354,046.40
  6. Step 6: Final answer
    x = 251,133.60

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