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Finding the Fourth Proportional to 312,419.05, 468,531.67 and 112,713.47

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Solution

The fourth proportional to 312,419.05, 468,531.67 and 112,713.47 is: 169,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,419.05 : 468,531.67 = 112,713.47 : x
  2. Step 2: Convert to fraction form
    312,419.05/468,531.67 = 112,713.47/x
  3. Step 3: Cross multiply
    312,419.05x = 468,531.67 × 112,713.47
  4. Step 4: Simplify right side
    312,419.05x = 52,809,831,992.97
  5. Step 5: Solve for x
    x = 52,809,831,992.97/312,419.05
  6. Step 6: Final answer
    x = 169,035.25

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