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Finding the Fourth Proportional to 363,398.48, 501,481.06 and 200,053.66

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Solution

The fourth proportional to 363,398.48, 501,481.06 and 200,053.66 is: 276,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,398.48 : 501,481.06 = 200,053.66 : x
  2. Step 2: Convert to fraction form
    363,398.48/501,481.06 = 200,053.66/x
  3. Step 3: Cross multiply
    363,398.48x = 501,481.06 × 200,053.66
  4. Step 4: Simplify right side
    363,398.48x = 100,323,120,149.99
  5. Step 5: Solve for x
    x = 100,323,120,149.99/363,398.48
  6. Step 6: Final answer
    x = 276,069.18

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1.5x scale

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.