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Finding the Fourth Proportional to 449,899.43, 675,019.60 and 270,110.41

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Solution

The fourth proportional to 449,899.43, 675,019.60 and 270,110.41 is: 405,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,899.43 : 675,019.60 = 270,110.41 : x
  2. Step 2: Convert to fraction form
    449,899.43/675,019.60 = 270,110.41/x
  3. Step 3: Cross multiply
    449,899.43x = 675,019.60 × 270,110.41
  4. Step 4: Simplify right side
    449,899.43x = 182,329,820,260.14
  5. Step 5: Solve for x
    x = 182,329,820,260.14/449,899.43
  6. Step 6: Final answer
    x = 405,267.95

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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.