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Finding the Fourth Proportional to 367,399.82, 551,269.22 and 167,781.39

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Solution

The fourth proportional to 367,399.82, 551,269.22 and 167,781.39 is: 251,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,399.82 : 551,269.22 = 167,781.39 : x
  2. Step 2: Convert to fraction form
    367,399.82/551,269.22 = 167,781.39/x
  3. Step 3: Cross multiply
    367,399.82x = 551,269.22 × 167,781.39
  4. Step 4: Simplify right side
    367,399.82x = 92,492,715,995.82
  5. Step 5: Solve for x
    x = 92,492,715,995.82/367,399.82
  6. Step 6: Final answer
    x = 251,749.49

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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.