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Finding the Fourth Proportional to 308,957.40, 463,436.10 and 131,470.20

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Solution

The fourth proportional to 308,957.40, 463,436.10 and 131,470.20 is: 197,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,957.40 : 463,436.10 = 131,470.20 : x
  2. Step 2: Convert to fraction form
    308,957.40/463,436.10 = 131,470.20/x
  3. Step 3: Cross multiply
    308,957.40x = 463,436.10 × 131,470.20
  4. Step 4: Simplify right side
    308,957.40x = 60,928,036,754.22
  5. Step 5: Solve for x
    x = 60,928,036,754.22/308,957.40
  6. Step 6: Final answer
    x = 197,205.30

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