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Finding the Fourth Proportional to 365,628.60, 548,183.70 and 140,902.20

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Solution

The fourth proportional to 365,628.60, 548,183.70 and 140,902.20 is: 211,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,628.60 : 548,183.70 = 140,902.20 : x
  2. Step 2: Convert to fraction form
    365,628.60/548,183.70 = 140,902.20/x
  3. Step 3: Cross multiply
    365,628.60x = 548,183.70 × 140,902.20
  4. Step 4: Simplify right side
    365,628.60x = 77,240,289,334.14
  5. Step 5: Solve for x
    x = 77,240,289,334.14/365,628.60
  6. Step 6: Final answer
    x = 211,253.41

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