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Finding the Fourth Proportional to 306,498.33, 422,969.79 and 170,538.01

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Solution

The fourth proportional to 306,498.33, 422,969.79 and 170,538.01 is: 235,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,498.33 : 422,969.79 = 170,538.01 : x
  2. Step 2: Convert to fraction form
    306,498.33/422,969.79 = 170,538.01/x
  3. Step 3: Cross multiply
    306,498.33x = 422,969.79 × 170,538.01
  4. Step 4: Simplify right side
    306,498.33x = 72,132,424,659.72
  5. Step 5: Solve for x
    x = 72,132,424,659.72/306,498.33
  6. Step 6: Final answer
    x = 235,343.61

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