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Finding the Fourth Proportional to 366,836.20, 550,254.30 and 189,689.20

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Solution

The fourth proportional to 366,836.20, 550,254.30 and 189,689.20 is: 284,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,836.20 : 550,254.30 = 189,689.20 : x
  2. Step 2: Convert to fraction form
    366,836.20/550,254.30 = 189,689.20/x
  3. Step 3: Cross multiply
    366,836.20x = 550,254.30 × 189,689.20
  4. Step 4: Simplify right side
    366,836.20x = 104,377,297,963.56
  5. Step 5: Solve for x
    x = 104,377,297,963.56/366,836.20
  6. Step 6: Final answer
    x = 284,533.80

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