Home / 379,161.71-523,243.38-207,082.07

Finding the Fourth Proportional to 379,161.71, 523,243.38 and 207,082.07

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Solution

The fourth proportional to 379,161.71, 523,243.38 and 207,082.07 is: 285,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,161.71 : 523,243.38 = 207,082.07 : x
  2. Step 2: Convert to fraction form
    379,161.71/523,243.38 = 207,082.07/x
  3. Step 3: Cross multiply
    379,161.71x = 523,243.38 × 207,082.07
  4. Step 4: Simplify right side
    379,161.71x = 108,354,318,592.57
  5. Step 5: Solve for x
    x = 108,354,318,592.57/379,161.71
  6. Step 6: Final answer
    x = 285,773.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.