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Finding the Fourth Proportional to 316,029.64, 436,411.92 and 203,049.24

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Solution

The fourth proportional to 316,029.64, 436,411.92 and 203,049.24 is: 280,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,029.64 : 436,411.92 = 203,049.24 : x
  2. Step 2: Convert to fraction form
    316,029.64/436,411.92 = 203,049.24/x
  3. Step 3: Cross multiply
    316,029.64x = 436,411.92 × 203,049.24
  4. Step 4: Simplify right side
    316,029.64x = 88,613,108,682.94
  5. Step 5: Solve for x
    x = 88,613,108,682.94/316,029.64
  6. Step 6: Final answer
    x = 280,394.93

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