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Finding the Fourth Proportional to 363,039.26, 500,922.42 and 219,812.54

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Solution

The fourth proportional to 363,039.26, 500,922.42 and 219,812.54 is: 303,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,039.26 : 500,922.42 = 219,812.54 : x
  2. Step 2: Convert to fraction form
    363,039.26/500,922.42 = 219,812.54/x
  3. Step 3: Cross multiply
    363,039.26x = 500,922.42 × 219,812.54
  4. Step 4: Simplify right side
    363,039.26x = 110,109,029,483.15
  5. Step 5: Solve for x
    x = 110,109,029,483.15/363,039.26
  6. Step 6: Final answer
    x = 303,297.86

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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.