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Finding the Fourth Proportional to 287,112.24, 396,227.88 and 166,258.80

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Solution

The fourth proportional to 287,112.24, 396,227.88 and 166,258.80 is: 229,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,112.24 : 396,227.88 = 166,258.80 : x
  2. Step 2: Convert to fraction form
    287,112.24/396,227.88 = 166,258.80/x
  3. Step 3: Cross multiply
    287,112.24x = 396,227.88 × 166,258.80
  4. Step 4: Simplify right side
    287,112.24x = 65,876,371,855.34
  5. Step 5: Solve for x
    x = 65,876,371,855.34/287,112.24
  6. Step 6: Final answer
    x = 229,444.67

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