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Finding the Fourth Proportional to 366,820.20, 550,230.30 and 316,081.80

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Solution

The fourth proportional to 366,820.20, 550,230.30 and 316,081.80 is: 474,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,820.20 : 550,230.30 = 316,081.80 : x
  2. Step 2: Convert to fraction form
    366,820.20/550,230.30 = 316,081.80/x
  3. Step 3: Cross multiply
    366,820.20x = 550,230.30 × 316,081.80
  4. Step 4: Simplify right side
    366,820.20x = 173,917,783,638.54
  5. Step 5: Solve for x
    x = 173,917,783,638.54/366,820.20
  6. Step 6: Final answer
    x = 474,122.70

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