Home / 551,117.14-826,728-214,183.83

Finding the Fourth Proportional to 551,117.14, 826,728 and 214,183.83

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Solution

The fourth proportional to 551,117.14, 826,728 and 214,183.83 is: 321,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,117.14 : 826,728 = 214,183.83 : x
  2. Step 2: Convert to fraction form
    551,117.14/826,728 = 214,183.83/x
  3. Step 3: Cross multiply
    551,117.14x = 826,728 × 214,183.83
  4. Step 4: Simplify right side
    551,117.14x = 177,071,769,408.24
  5. Step 5: Solve for x
    x = 177,071,769,408.24/551,117.14
  6. Step 6: Final answer
    x = 321,296.07

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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.