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Finding the Fourth Proportional to 363,754.13, 501,901.53 and 220,549.37

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Solution

The fourth proportional to 363,754.13, 501,901.53 and 220,549.37 is: 304,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,754.13 : 501,901.53 = 220,549.37 : x
  2. Step 2: Convert to fraction form
    363,754.13/501,901.53 = 220,549.37/x
  3. Step 3: Cross multiply
    363,754.13x = 501,901.53 × 220,549.37
  4. Step 4: Simplify right side
    363,754.13x = 110,694,066,243.54
  5. Step 5: Solve for x
    x = 110,694,066,243.54/363,754.13
  6. Step 6: Final answer
    x = 304,310.13

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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.