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Finding the Fourth Proportional to 289,317.40, 433,997.70 and 102,304.60

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Solution

The fourth proportional to 289,317.40, 433,997.70 and 102,304.60 is: 153,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,317.40 : 433,997.70 = 102,304.60 : x
  2. Step 2: Convert to fraction form
    289,317.40/433,997.70 = 102,304.60/x
  3. Step 3: Cross multiply
    289,317.40x = 433,997.70 × 102,304.60
  4. Step 4: Simplify right side
    289,317.40x = 44,399,961,099.42
  5. Step 5: Solve for x
    x = 44,399,961,099.42/289,317.40
  6. Step 6: Final answer
    x = 153,464.54

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