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Finding the Fourth Proportional to 286,290.80, 395,112.89 and 163,794.56

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Solution

The fourth proportional to 286,290.80, 395,112.89 and 163,794.56 is: 226,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,290.80 : 395,112.89 = 163,794.56 : x
  2. Step 2: Convert to fraction form
    286,290.80/395,112.89 = 163,794.56/x
  3. Step 3: Cross multiply
    286,290.80x = 395,112.89 × 163,794.56
  4. Step 4: Simplify right side
    286,290.80x = 64,717,339,480.46
  5. Step 5: Solve for x
    x = 64,717,339,480.46/286,290.80
  6. Step 6: Final answer
    x = 226,054.55

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