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Finding the Fourth Proportional to 307,612.80, 461,419.20 and 174,902.40

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Solution

The fourth proportional to 307,612.80, 461,419.20 and 174,902.40 is: 262,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,612.80 : 461,419.20 = 174,902.40 : x
  2. Step 2: Convert to fraction form
    307,612.80/461,419.20 = 174,902.40/x
  3. Step 3: Cross multiply
    307,612.80x = 461,419.20 × 174,902.40
  4. Step 4: Simplify right side
    307,612.80x = 80,703,325,486.08
  5. Step 5: Solve for x
    x = 80,703,325,486.08/307,612.80
  6. Step 6: Final answer
    x = 262,353.60

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