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Finding the Fourth Proportional to 365,404.80, 548,107.20 and 99,198.30

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Solution

The fourth proportional to 365,404.80, 548,107.20 and 99,198.30 is: 148,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,404.80 : 548,107.20 = 99,198.30 : x
  2. Step 2: Convert to fraction form
    365,404.80/548,107.20 = 99,198.30/x
  3. Step 3: Cross multiply
    365,404.80x = 548,107.20 × 99,198.30
  4. Step 4: Simplify right side
    365,404.80x = 54,371,302,457.76
  5. Step 5: Solve for x
    x = 54,371,302,457.76/365,404.80
  6. Step 6: Final answer
    x = 148,797.45

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