Home / 414,375.76-621,895.79-214,753.22

Finding the Fourth Proportional to 414,375.76, 621,895.79 and 214,753.22

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Solution

The fourth proportional to 414,375.76, 621,895.79 and 214,753.22 is: 322,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,375.76 : 621,895.79 = 214,753.22 : x
  2. Step 2: Convert to fraction form
    414,375.76/621,895.79 = 214,753.22/x
  3. Step 3: Cross multiply
    414,375.76x = 621,895.79 × 214,753.22
  4. Step 4: Simplify right side
    414,375.76x = 133,554,120,297.47
  5. Step 5: Solve for x
    x = 133,554,120,297.47/414,375.76
  6. Step 6: Final answer
    x = 322,301.96

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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.