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Finding the Fourth Proportional to 311,730.40, 467,450.26 and 161,930.46

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Solution

The fourth proportional to 311,730.40, 467,450.26 and 161,930.46 is: 242,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,730.40 : 467,450.26 = 161,930.46 : x
  2. Step 2: Convert to fraction form
    311,730.40/467,450.26 = 161,930.46/x
  3. Step 3: Cross multiply
    311,730.40x = 467,450.26 × 161,930.46
  4. Step 4: Simplify right side
    311,730.40x = 75,694,435,628.92
  5. Step 5: Solve for x
    x = 75,694,435,628.92/311,730.40
  6. Step 6: Final answer
    x = 242,820.19

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