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Finding the Fourth Proportional to 323,123.61, 445,620.29 and 202,275.90

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Solution

The fourth proportional to 323,123.61, 445,620.29 and 202,275.90 is: 278,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,123.61 : 445,620.29 = 202,275.90 : x
  2. Step 2: Convert to fraction form
    323,123.61/445,620.29 = 202,275.90/x
  3. Step 3: Cross multiply
    323,123.61x = 445,620.29 × 202,275.90
  4. Step 4: Simplify right side
    323,123.61x = 90,138,244,206.63
  5. Step 5: Solve for x
    x = 90,138,244,206.63/323,123.61
  6. Step 6: Final answer
    x = 278,959.01

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