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Finding the Fourth Proportional to 341,478.80, 512,218.20 and 144,461.20

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Solution

The fourth proportional to 341,478.80, 512,218.20 and 144,461.20 is: 216,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,478.80 : 512,218.20 = 144,461.20 : x
  2. Step 2: Convert to fraction form
    341,478.80/512,218.20 = 144,461.20/x
  3. Step 3: Cross multiply
    341,478.80x = 512,218.20 × 144,461.20
  4. Step 4: Simplify right side
    341,478.80x = 73,995,655,833.84
  5. Step 5: Solve for x
    x = 73,995,655,833.84/341,478.80
  6. Step 6: Final answer
    x = 216,691.80

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