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Finding the Fourth Proportional to 568,472.49, 852,593.43 and 208,520.82

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Solution

The fourth proportional to 568,472.49, 852,593.43 and 208,520.82 is: 312,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,472.49 : 852,593.43 = 208,520.82 : x
  2. Step 2: Convert to fraction form
    568,472.49/852,593.43 = 208,520.82/x
  3. Step 3: Cross multiply
    568,472.49x = 852,593.43 × 208,520.82
  4. Step 4: Simplify right side
    568,472.49x = 177,783,481,150.21
  5. Step 5: Solve for x
    x = 177,783,481,150.21/568,472.49
  6. Step 6: Final answer
    x = 312,738.94

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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.