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Finding the Fourth Proportional to 318,589.36, 478,179.42 and 160,928.44

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Solution

The fourth proportional to 318,589.36, 478,179.42 and 160,928.44 is: 241,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,589.36 : 478,179.42 = 160,928.44 : x
  2. Step 2: Convert to fraction form
    318,589.36/478,179.42 = 160,928.44/x
  3. Step 3: Cross multiply
    318,589.36x = 478,179.42 × 160,928.44
  4. Step 4: Simplify right side
    318,589.36x = 76,952,668,100.70
  5. Step 5: Solve for x
    x = 76,952,668,100.70/318,589.36
  6. Step 6: Final answer
    x = 241,541.86

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