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Finding the Fourth Proportional to 341,465.40, 512,198.10 and 217,356.60

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Solution

The fourth proportional to 341,465.40, 512,198.10 and 217,356.60 is: 326,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,465.40 : 512,198.10 = 217,356.60 : x
  2. Step 2: Convert to fraction form
    341,465.40/512,198.10 = 217,356.60/x
  3. Step 3: Cross multiply
    341,465.40x = 512,198.10 × 217,356.60
  4. Step 4: Simplify right side
    341,465.40x = 111,329,637,542.46
  5. Step 5: Solve for x
    x = 111,329,637,542.46/341,465.40
  6. Step 6: Final answer
    x = 326,034.90

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