Home / 406,976.48-609,845.04-206,997.20

Finding the Fourth Proportional to 406,976.48, 609,845.04 and 206,997.20

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Solution

The fourth proportional to 406,976.48, 609,845.04 and 206,997.20 is: 310,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,976.48 : 609,845.04 = 206,997.20 : x
  2. Step 2: Convert to fraction form
    406,976.48/609,845.04 = 206,997.20/x
  3. Step 3: Cross multiply
    406,976.48x = 609,845.04 × 206,997.20
  4. Step 4: Simplify right side
    406,976.48x = 126,236,215,713.89
  5. Step 5: Solve for x
    x = 126,236,215,713.89/406,976.48
  6. Step 6: Final answer
    x = 310,180.62

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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.