Home / 205,091.70-307,194.68-200,072.54

Finding the Fourth Proportional to 205,091.70, 307,194.68 and 200,072.54

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Solution

The fourth proportional to 205,091.70, 307,194.68 and 200,072.54 is: 299,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,091.70 : 307,194.68 = 200,072.54 : x
  2. Step 2: Convert to fraction form
    205,091.70/307,194.68 = 200,072.54/x
  3. Step 3: Cross multiply
    205,091.70x = 307,194.68 × 200,072.54
  4. Step 4: Simplify right side
    205,091.70x = 61,461,218,316.88
  5. Step 5: Solve for x
    x = 61,461,218,316.88/205,091.70
  6. Step 6: Final answer
    x = 299,676.77

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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.