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Finding the Fourth Proportional to 336,997.40, 505,355.57 and 137,182.15

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Solution

The fourth proportional to 336,997.40, 505,355.57 and 137,182.15 is: 205,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,997.40 : 505,355.57 = 137,182.15 : x
  2. Step 2: Convert to fraction form
    336,997.40/505,355.57 = 137,182.15/x
  3. Step 3: Cross multiply
    336,997.40x = 505,355.57 × 137,182.15
  4. Step 4: Simplify right side
    336,997.40x = 69,325,763,607.08
  5. Step 5: Solve for x
    x = 69,325,763,607.08/336,997.40
  6. Step 6: Final answer
    x = 205,716.02

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