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Finding the Fourth Proportional to 341,826.40, 512,829.20 and 131,471.20

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Solution

The fourth proportional to 341,826.40, 512,829.20 and 131,471.20 is: 197,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,826.40 : 512,829.20 = 131,471.20 : x
  2. Step 2: Convert to fraction form
    341,826.40/512,829.20 = 131,471.20/x
  3. Step 3: Cross multiply
    341,826.40x = 512,829.20 × 131,471.20
  4. Step 4: Simplify right side
    341,826.40x = 67,422,270,319.04
  5. Step 5: Solve for x
    x = 67,422,270,319.04/341,826.40
  6. Step 6: Final answer
    x = 197,241.26

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