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Finding the Fourth Proportional to 361,407.30, 541,722.15 and 136,680.90

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Solution

The fourth proportional to 361,407.30, 541,722.15 and 136,680.90 is: 204,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,407.30 : 541,722.15 = 136,680.90 : x
  2. Step 2: Convert to fraction form
    361,407.30/541,722.15 = 136,680.90/x
  3. Step 3: Cross multiply
    361,407.30x = 541,722.15 × 136,680.90
  4. Step 4: Simplify right side
    361,407.30x = 74,043,071,011.94
  5. Step 5: Solve for x
    x = 74,043,071,011.94/361,407.30
  6. Step 6: Final answer
    x = 204,874.31

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