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Finding the Fourth Proportional to 363,753.13, 501,900.15 and 220,548.37

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Solution

The fourth proportional to 363,753.13, 501,900.15 and 220,548.37 is: 304,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,753.13 : 501,900.15 = 220,548.37 : x
  2. Step 2: Convert to fraction form
    363,753.13/501,900.15 = 220,548.37/x
  3. Step 3: Cross multiply
    363,753.13x = 501,900.15 × 220,548.37
  4. Step 4: Simplify right side
    363,753.13x = 110,693,259,985.26
  5. Step 5: Solve for x
    x = 110,693,259,985.26/363,753.13
  6. Step 6: Final answer
    x = 304,308.75

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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.