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Finding the Fourth Proportional to 311,873.32, 430,385.43 and 168,633.46

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Solution

The fourth proportional to 311,873.32, 430,385.43 and 168,633.46 is: 232,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,873.32 : 430,385.43 = 168,633.46 : x
  2. Step 2: Convert to fraction form
    311,873.32/430,385.43 = 168,633.46/x
  3. Step 3: Cross multiply
    311,873.32x = 430,385.43 × 168,633.46
  4. Step 4: Simplify right side
    311,873.32x = 72,577,384,194.49
  5. Step 5: Solve for x
    x = 72,577,384,194.49/311,873.32
  6. Step 6: Final answer
    x = 232,714.31

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