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Finding the Fourth Proportional to 207,358.20, 311,037.30 and 165,886.20

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Solution

The fourth proportional to 207,358.20, 311,037.30 and 165,886.20 is: 248,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,358.20 : 311,037.30 = 165,886.20 : x
  2. Step 2: Convert to fraction form
    207,358.20/311,037.30 = 165,886.20/x
  3. Step 3: Cross multiply
    207,358.20x = 311,037.30 × 165,886.20
  4. Step 4: Simplify right side
    207,358.20x = 51,596,795,755.26
  5. Step 5: Solve for x
    x = 51,596,795,755.26/207,358.20
  6. Step 6: Final answer
    x = 248,829.30

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