Home / 200,623.80-300,935.70-74,324.55

Finding the Fourth Proportional to 200,623.80, 300,935.70 and 74,324.55

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Solution

The fourth proportional to 200,623.80, 300,935.70 and 74,324.55 is: 111,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,623.80 : 300,935.70 = 74,324.55 : x
  2. Step 2: Convert to fraction form
    200,623.80/300,935.70 = 74,324.55/x
  3. Step 3: Cross multiply
    200,623.80x = 300,935.70 × 74,324.55
  4. Step 4: Simplify right side
    200,623.80x = 22,366,910,481.44
  5. Step 5: Solve for x
    x = 22,366,910,481.44/200,623.80
  6. Step 6: Final answer
    x = 111,486.83

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1.5x scale

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.