Home / 263,627.52-394,522.32-215,688.48

Finding the Fourth Proportional to 263,627.52, 394,522.32 and 215,688.48

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Solution

The fourth proportional to 263,627.52, 394,522.32 and 215,688.48 is: 322,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,627.52 : 394,522.32 = 215,688.48 : x
  2. Step 2: Convert to fraction form
    263,627.52/394,522.32 = 215,688.48/x
  3. Step 3: Cross multiply
    263,627.52x = 394,522.32 × 215,688.48
  4. Step 4: Simplify right side
    263,627.52x = 85,093,919,526.87
  5. Step 5: Solve for x
    x = 85,093,919,526.87/263,627.52
  6. Step 6: Final answer
    x = 322,780.87

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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.