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Finding the Fourth Proportional to 316,809.20, 474,551.40 and 148,473.20

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Solution

The fourth proportional to 316,809.20, 474,551.40 and 148,473.20 is: 222,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,809.20 : 474,551.40 = 148,473.20 : x
  2. Step 2: Convert to fraction form
    316,809.20/474,551.40 = 148,473.20/x
  3. Step 3: Cross multiply
    316,809.20x = 474,551.40 × 148,473.20
  4. Step 4: Simplify right side
    316,809.20x = 70,458,164,922.48
  5. Step 5: Solve for x
    x = 70,458,164,922.48/316,809.20
  6. Step 6: Final answer
    x = 222,399.37

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