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Finding the Fourth Proportional to 368,045.80, 552,392.70 and 218,098.60

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Solution

The fourth proportional to 368,045.80, 552,392.70 and 218,098.60 is: 327,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,045.80 : 552,392.70 = 218,098.60 : x
  2. Step 2: Convert to fraction form
    368,045.80/552,392.70 = 218,098.60/x
  3. Step 3: Cross multiply
    368,045.80x = 552,392.70 × 218,098.60
  4. Step 4: Simplify right side
    368,045.80x = 120,476,074,520.22
  5. Step 5: Solve for x
    x = 120,476,074,520.22/368,045.80
  6. Step 6: Final answer
    x = 327,339.90

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