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Finding the Fourth Proportional to 449,010.45, 673,158.04 and 259,255.57

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Solution

The fourth proportional to 449,010.45, 673,158.04 and 259,255.57 is: 388,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,010.45 : 673,158.04 = 259,255.57 : x
  2. Step 2: Convert to fraction form
    449,010.45/673,158.04 = 259,255.57/x
  3. Step 3: Cross multiply
    449,010.45x = 673,158.04 × 259,255.57
  4. Step 4: Simplify right side
    449,010.45x = 174,519,971,360.28
  5. Step 5: Solve for x
    x = 174,519,971,360.28/449,010.45
  6. Step 6: Final answer
    x = 388,676.86

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1.5x scale

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.