Home / 205,084.42-307,183.75-200,065.25

Finding the Fourth Proportional to 205,084.42, 307,183.75 and 200,065.25

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Solution

The fourth proportional to 205,084.42, 307,183.75 and 200,065.25 is: 299,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,084.42 : 307,183.75 = 200,065.25 : x
  2. Step 2: Convert to fraction form
    205,084.42/307,183.75 = 200,065.25/x
  3. Step 3: Cross multiply
    205,084.42x = 307,183.75 × 200,065.25
  4. Step 4: Simplify right side
    205,084.42x = 61,456,793,739.69
  5. Step 5: Solve for x
    x = 61,456,793,739.69/205,084.42
  6. Step 6: Final answer
    x = 299,665.83

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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.