Home / 300,727.62-451,036.94-120,805.79

Finding the Fourth Proportional to 300,727.62, 451,036.94 and 120,805.79

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Solution

The fourth proportional to 300,727.62, 451,036.94 and 120,805.79 is: 181,186.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,727.62 : 451,036.94 = 120,805.79 : x
  2. Step 2: Convert to fraction form
    300,727.62/451,036.94 = 120,805.79/x
  3. Step 3: Cross multiply
    300,727.62x = 451,036.94 × 120,805.79
  4. Step 4: Simplify right side
    300,727.62x = 54,487,870,996.67
  5. Step 5: Solve for x
    x = 54,487,870,996.67/300,727.62
  6. Step 6: Final answer
    x = 181,186.79

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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.