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Finding the Fourth Proportional to 245,088.80, 367,633.20 and 204,999.20

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Solution

The fourth proportional to 245,088.80, 367,633.20 and 204,999.20 is: 307,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,088.80 : 367,633.20 = 204,999.20 : x
  2. Step 2: Convert to fraction form
    245,088.80/367,633.20 = 204,999.20/x
  3. Step 3: Cross multiply
    245,088.80x = 367,633.20 × 204,999.20
  4. Step 4: Simplify right side
    245,088.80x = 75,364,511,893.44
  5. Step 5: Solve for x
    x = 75,364,511,893.44/245,088.80
  6. Step 6: Final answer
    x = 307,498.80

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