Home / 209,379.48-313,343.46-200,670.36

Finding the Fourth Proportional to 209,379.48, 313,343.46 and 200,670.36

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Solution

The fourth proportional to 209,379.48, 313,343.46 and 200,670.36 is: 300,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,379.48 : 313,343.46 = 200,670.36 : x
  2. Step 2: Convert to fraction form
    209,379.48/313,343.46 = 200,670.36/x
  3. Step 3: Cross multiply
    209,379.48x = 313,343.46 × 200,670.36
  4. Step 4: Simplify right side
    209,379.48x = 62,878,744,921.85
  5. Step 5: Solve for x
    x = 62,878,744,921.85/209,379.48
  6. Step 6: Final answer
    x = 300,309.97

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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.