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Finding the Fourth Proportional to 335,883.40, 503,387.70 and 136,040.20

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Solution

The fourth proportional to 335,883.40, 503,387.70 and 136,040.20 is: 203,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,883.40 : 503,387.70 = 136,040.20 : x
  2. Step 2: Convert to fraction form
    335,883.40/503,387.70 = 136,040.20/x
  3. Step 3: Cross multiply
    335,883.40x = 503,387.70 × 136,040.20
  4. Step 4: Simplify right side
    335,883.40x = 68,480,963,385.54
  5. Step 5: Solve for x
    x = 68,480,963,385.54/335,883.40
  6. Step 6: Final answer
    x = 203,883.14

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