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Finding the Fourth Proportional to 315,230.26, 435,178.29 and 243,449.14

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Solution

The fourth proportional to 315,230.26, 435,178.29 and 243,449.14 is: 336,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,230.26 : 435,178.29 = 243,449.14 : x
  2. Step 2: Convert to fraction form
    315,230.26/435,178.29 = 243,449.14/x
  3. Step 3: Cross multiply
    315,230.26x = 435,178.29 × 243,449.14
  4. Step 4: Simplify right side
    315,230.26x = 105,943,780,447.17
  5. Step 5: Solve for x
    x = 105,943,780,447.17/315,230.26
  6. Step 6: Final answer
    x = 336,083.79

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