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Finding the Fourth Proportional to 363,491.54, 501,865.24 and 227,580.43

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Solution

The fourth proportional to 363,491.54, 501,865.24 and 227,580.43 is: 314,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,491.54 : 501,865.24 = 227,580.43 : x
  2. Step 2: Convert to fraction form
    363,491.54/501,865.24 = 227,580.43/x
  3. Step 3: Cross multiply
    363,491.54x = 501,865.24 × 227,580.43
  4. Step 4: Simplify right side
    363,491.54x = 114,214,707,121.25
  5. Step 5: Solve for x
    x = 114,214,707,121.25/363,491.54
  6. Step 6: Final answer
    x = 314,215.59

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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.