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Finding the Fourth Proportional to 363,058.13, 501,032.36 and 199,721.52

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Solution

The fourth proportional to 363,058.13, 501,032.36 and 199,721.52 is: 275,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,058.13 : 501,032.36 = 199,721.52 : x
  2. Step 2: Convert to fraction form
    363,058.13/501,032.36 = 199,721.52/x
  3. Step 3: Cross multiply
    363,058.13x = 501,032.36 × 199,721.52
  4. Step 4: Simplify right side
    363,058.13x = 100,066,945,007.69
  5. Step 5: Solve for x
    x = 100,066,945,007.69/363,058.13
  6. Step 6: Final answer
    x = 275,622.38

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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.