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Finding the Fourth Proportional to 279,908.51, 386,273.75 and 152,584.20

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Solution

The fourth proportional to 279,908.51, 386,273.75 and 152,584.20 is: 210,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,908.51 : 386,273.75 = 152,584.20 : x
  2. Step 2: Convert to fraction form
    279,908.51/386,273.75 = 152,584.20/x
  3. Step 3: Cross multiply
    279,908.51x = 386,273.75 × 152,584.20
  4. Step 4: Simplify right side
    279,908.51x = 58,939,270,361.83
  5. Step 5: Solve for x
    x = 58,939,270,361.83/279,908.51
  6. Step 6: Final answer
    x = 210,566.20

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