Home / 306,546.03-422,793.87-199,150.66

Finding the Fourth Proportional to 306,546.03, 422,793.87 and 199,150.66

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Solution

The fourth proportional to 306,546.03, 422,793.87 and 199,150.66 is: 274,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,546.03 : 422,793.87 = 199,150.66 : x
  2. Step 2: Convert to fraction form
    306,546.03/422,793.87 = 199,150.66/x
  3. Step 3: Cross multiply
    306,546.03x = 422,793.87 × 199,150.66
  4. Step 4: Simplify right side
    306,546.03x = 84,199,678,254.45
  5. Step 5: Solve for x
    x = 84,199,678,254.45/306,546.03
  6. Step 6: Final answer
    x = 274,672.22

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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.