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Finding the Fourth Proportional to 401,073.76, 553,481.80 and 222,225.76

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Solution

The fourth proportional to 401,073.76, 553,481.80 and 222,225.76 is: 306,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,073.76 : 553,481.80 = 222,225.76 : x
  2. Step 2: Convert to fraction form
    401,073.76/553,481.80 = 222,225.76/x
  3. Step 3: Cross multiply
    401,073.76x = 553,481.80 × 222,225.76
  4. Step 4: Simplify right side
    401,073.76x = 122,997,913,651.17
  5. Step 5: Solve for x
    x = 122,997,913,651.17/401,073.76
  6. Step 6: Final answer
    x = 306,671.56

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