Home / 309,922.96-465,108.54-110,245

Finding the Fourth Proportional to 309,922.96, 465,108.54 and 110,245

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Solution

The fourth proportional to 309,922.96, 465,108.54 and 110,245 is: 165,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,922.96 : 465,108.54 = 110,245 : x
  2. Step 2: Convert to fraction form
    309,922.96/465,108.54 = 110,245/x
  3. Step 3: Cross multiply
    309,922.96x = 465,108.54 × 110,245
  4. Step 4: Simplify right side
    309,922.96x = 51,275,890,992.30
  5. Step 5: Solve for x
    x = 51,275,890,992.30/309,922.96
  6. Step 6: Final answer
    x = 165,447.22

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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.