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Finding the Fourth Proportional to 406,942.80, 610,414.20 and 111,454.80

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Solution

The fourth proportional to 406,942.80, 610,414.20 and 111,454.80 is: 167,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,942.80 : 610,414.20 = 111,454.80 : x
  2. Step 2: Convert to fraction form
    406,942.80/610,414.20 = 111,454.80/x
  3. Step 3: Cross multiply
    406,942.80x = 610,414.20 × 111,454.80
  4. Step 4: Simplify right side
    406,942.80x = 68,033,592,578.16
  5. Step 5: Solve for x
    x = 68,033,592,578.16/406,942.80
  6. Step 6: Final answer
    x = 167,182.20

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