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Finding the Fourth Proportional to 367,492.38, 551,381.17 and 143,010.48

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Solution

The fourth proportional to 367,492.38, 551,381.17 and 143,010.48 is: 214,571.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,492.38 : 551,381.17 = 143,010.48 : x
  2. Step 2: Convert to fraction form
    367,492.38/551,381.17 = 143,010.48/x
  3. Step 3: Cross multiply
    367,492.38x = 551,381.17 × 143,010.48
  4. Step 4: Simplify right side
    367,492.38x = 78,853,285,784.66
  5. Step 5: Solve for x
    x = 78,853,285,784.66/367,492.38
  6. Step 6: Final answer
    x = 214,571.21

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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.