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Finding the Fourth Proportional to 307,634.40, 461,451.60 and 228,902.40

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Solution

The fourth proportional to 307,634.40, 461,451.60 and 228,902.40 is: 343,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,634.40 : 461,451.60 = 228,902.40 : x
  2. Step 2: Convert to fraction form
    307,634.40/461,451.60 = 228,902.40/x
  3. Step 3: Cross multiply
    307,634.40x = 461,451.60 × 228,902.40
  4. Step 4: Simplify right side
    307,634.40x = 105,627,378,723.84
  5. Step 5: Solve for x
    x = 105,627,378,723.84/307,634.40
  6. Step 6: Final answer
    x = 343,353.60

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