Home / 200,629.78-300,961.06-82,302.14

Finding the Fourth Proportional to 200,629.78, 300,961.06 and 82,302.14

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Solution

The fourth proportional to 200,629.78, 300,961.06 and 82,302.14 is: 123,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,629.78 : 300,961.06 = 82,302.14 : x
  2. Step 2: Convert to fraction form
    200,629.78/300,961.06 = 82,302.14/x
  3. Step 3: Cross multiply
    200,629.78x = 300,961.06 × 82,302.14
  4. Step 4: Simplify right side
    200,629.78x = 24,769,739,294.67
  5. Step 5: Solve for x
    x = 24,769,739,294.67/200,629.78
  6. Step 6: Final answer
    x = 123,459.93

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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.