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Finding the Fourth Proportional to 286,448.48, 395,310.12 and 195,994.16

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Solution

The fourth proportional to 286,448.48, 395,310.12 and 195,994.16 is: 270,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,448.48 : 395,310.12 = 195,994.16 : x
  2. Step 2: Convert to fraction form
    286,448.48/395,310.12 = 195,994.16/x
  3. Step 3: Cross multiply
    286,448.48x = 395,310.12 × 195,994.16
  4. Step 4: Simplify right side
    286,448.48x = 77,478,474,908.90
  5. Step 5: Solve for x
    x = 77,478,474,908.90/286,448.48
  6. Step 6: Final answer
    x = 270,479.62

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