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Finding the Fourth Proportional to 363,066.20, 501,045.17 and 201,932.90

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Solution

The fourth proportional to 363,066.20, 501,045.17 and 201,932.90 is: 278,675.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,066.20 : 501,045.17 = 201,932.90 : x
  2. Step 2: Convert to fraction form
    363,066.20/501,045.17 = 201,932.90/x
  3. Step 3: Cross multiply
    363,066.20x = 501,045.17 × 201,932.90
  4. Step 4: Simplify right side
    363,066.20x = 101,177,504,209.09
  5. Step 5: Solve for x
    x = 101,177,504,209.09/363,066.20
  6. Step 6: Final answer
    x = 278,675.09

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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.