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Finding the Fourth Proportional to 311,930.70, 467,896.05 and 170,213.10

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Solution

The fourth proportional to 311,930.70, 467,896.05 and 170,213.10 is: 255,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,930.70 : 467,896.05 = 170,213.10 : x
  2. Step 2: Convert to fraction form
    311,930.70/467,896.05 = 170,213.10/x
  3. Step 3: Cross multiply
    311,930.70x = 467,896.05 × 170,213.10
  4. Step 4: Simplify right side
    311,930.70x = 79,642,037,148.26
  5. Step 5: Solve for x
    x = 79,642,037,148.26/311,930.70
  6. Step 6: Final answer
    x = 255,319.65

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