Home / 307,713.31-424,309.61-200,083.75

Finding the Fourth Proportional to 307,713.31, 424,309.61 and 200,083.75

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Solution

The fourth proportional to 307,713.31, 424,309.61 and 200,083.75 is: 275,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,713.31 : 424,309.61 = 200,083.75 : x
  2. Step 2: Convert to fraction form
    307,713.31/424,309.61 = 200,083.75/x
  3. Step 3: Cross multiply
    307,713.31x = 424,309.61 × 200,083.75
  4. Step 4: Simplify right side
    307,713.31x = 84,897,458,630.54
  5. Step 5: Solve for x
    x = 84,897,458,630.54/307,713.31
  6. Step 6: Final answer
    x = 275,897.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.