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Finding the Fourth Proportional to 341,918.20, 512,877.30 and 105,333.40

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Solution

The fourth proportional to 341,918.20, 512,877.30 and 105,333.40 is: 158,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,918.20 : 512,877.30 = 105,333.40 : x
  2. Step 2: Convert to fraction form
    341,918.20/512,877.30 = 105,333.40/x
  3. Step 3: Cross multiply
    341,918.20x = 512,877.30 × 105,333.40
  4. Step 4: Simplify right side
    341,918.20x = 54,023,109,791.82
  5. Step 5: Solve for x
    x = 54,023,109,791.82/341,918.20
  6. Step 6: Final answer
    x = 158,000.10

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