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Finding the Fourth Proportional to 665,189.96, 998,178.60 and 244,761.08

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Solution

The fourth proportional to 665,189.96, 998,178.60 and 244,761.08 is: 367,286.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,189.96 : 998,178.60 = 244,761.08 : x
  2. Step 2: Convert to fraction form
    665,189.96/998,178.60 = 244,761.08/x
  3. Step 3: Cross multiply
    665,189.96x = 998,178.60 × 244,761.08
  4. Step 4: Simplify right side
    665,189.96x = 244,315,272,168.89
  5. Step 5: Solve for x
    x = 244,315,272,168.89/665,189.96
  6. Step 6: Final answer
    x = 367,286.47

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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.