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Finding the Fourth Proportional to 352,571.54, 486,949.32 and 237,651.98

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Solution

The fourth proportional to 352,571.54, 486,949.32 and 237,651.98 is: 328,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,571.54 : 486,949.32 = 237,651.98 : x
  2. Step 2: Convert to fraction form
    352,571.54/486,949.32 = 237,651.98/x
  3. Step 3: Cross multiply
    352,571.54x = 486,949.32 × 237,651.98
  4. Step 4: Simplify right side
    352,571.54x = 115,724,467,622.91
  5. Step 5: Solve for x
    x = 115,724,467,622.91/352,571.54
  6. Step 6: Final answer
    x = 328,229.75

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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.