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Finding the Fourth Proportional to 200,618.61, 300,967.28 and 74,259.96

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Solution

The fourth proportional to 200,618.61, 300,967.28 and 74,259.96 is: 111,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,618.61 : 300,967.28 = 74,259.96 : x
  2. Step 2: Convert to fraction form
    200,618.61/300,967.28 = 74,259.96/x
  3. Step 3: Cross multiply
    200,618.61x = 300,967.28 × 74,259.96
  4. Step 4: Simplify right side
    200,618.61x = 22,349,816,952.66
  5. Step 5: Solve for x
    x = 22,349,816,952.66/200,618.61
  6. Step 6: Final answer
    x = 111,404.51

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