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Finding the Fourth Proportional to 665,185.96, 998,172.60 and 244,757.08

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Solution

The fourth proportional to 665,185.96, 998,172.60 and 244,757.08 is: 367,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,185.96 : 998,172.60 = 244,757.08 : x
  2. Step 2: Convert to fraction form
    665,185.96/998,172.60 = 244,757.08/x
  3. Step 3: Cross multiply
    665,185.96x = 998,172.60 × 244,757.08
  4. Step 4: Simplify right side
    665,185.96x = 244,309,810,912.01
  5. Step 5: Solve for x
    x = 244,309,810,912.01/665,185.96
  6. Step 6: Final answer
    x = 367,280.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.