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Finding the Fourth Proportional to 331,166.40, 496,409.40 and 162,427.20

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Solution

The fourth proportional to 331,166.40, 496,409.40 and 162,427.20 is: 243,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,166.40 : 496,409.40 = 162,427.20 : x
  2. Step 2: Convert to fraction form
    331,166.40/496,409.40 = 162,427.20/x
  3. Step 3: Cross multiply
    331,166.40x = 496,409.40 × 162,427.20
  4. Step 4: Simplify right side
    331,166.40x = 80,630,388,895.68
  5. Step 5: Solve for x
    x = 80,630,388,895.68/331,166.40
  6. Step 6: Final answer
    x = 243,473.94

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