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Finding the Fourth Proportional to 441,406.48, 661,650 and 204,554.56

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Solution

The fourth proportional to 441,406.48, 661,650 and 204,554.56 is: 306,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,406.48 : 661,650 = 204,554.56 : x
  2. Step 2: Convert to fraction form
    441,406.48/661,650 = 204,554.56/x
  3. Step 3: Cross multiply
    441,406.48x = 661,650 × 204,554.56
  4. Step 4: Simplify right side
    441,406.48x = 135,343,524,624
  5. Step 5: Solve for x
    x = 135,343,524,624/441,406.48
  6. Step 6: Final answer
    x = 306,618.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.