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Finding the Fourth Proportional to 363,391.24, 501,476.34 and 202,243.56

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Solution

The fourth proportional to 363,391.24, 501,476.34 and 202,243.56 is: 279,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,391.24 : 501,476.34 = 202,243.56 : x
  2. Step 2: Convert to fraction form
    363,391.24/501,476.34 = 202,243.56/x
  3. Step 3: Cross multiply
    363,391.24x = 501,476.34 × 202,243.56
  4. Step 4: Simplify right side
    363,391.24x = 101,420,360,257.37
  5. Step 5: Solve for x
    x = 101,420,360,257.37/363,391.24
  6. Step 6: Final answer
    x = 279,094.13

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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.