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Finding the Fourth Proportional to 311,718.84, 467,578.22 and 143,380.72

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Solution

The fourth proportional to 311,718.84, 467,578.22 and 143,380.72 is: 215,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,718.84 : 467,578.22 = 143,380.72 : x
  2. Step 2: Convert to fraction form
    311,718.84/467,578.22 = 143,380.72/x
  3. Step 3: Cross multiply
    311,718.84x = 467,578.22 × 143,380.72
  4. Step 4: Simplify right side
    311,718.84x = 67,041,701,839.92
  5. Step 5: Solve for x
    x = 67,041,701,839.92/311,718.84
  6. Step 6: Final answer
    x = 215,071.06

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