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Finding the Fourth Proportional to 341,732.80, 512,599.20 and 141,986.80

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Solution

The fourth proportional to 341,732.80, 512,599.20 and 141,986.80 is: 212,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,732.80 : 512,599.20 = 141,986.80 : x
  2. Step 2: Convert to fraction form
    341,732.80/512,599.20 = 141,986.80/x
  3. Step 3: Cross multiply
    341,732.80x = 512,599.20 × 141,986.80
  4. Step 4: Simplify right side
    341,732.80x = 72,782,320,090.56
  5. Step 5: Solve for x
    x = 72,782,320,090.56/341,732.80
  6. Step 6: Final answer
    x = 212,980.20

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