Home / 352,424.97-486,125.19-209,083.50

Finding the Fourth Proportional to 352,424.97, 486,125.19 and 209,083.50

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Solution

The fourth proportional to 352,424.97, 486,125.19 and 209,083.50 is: 288,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,424.97 : 486,125.19 = 209,083.50 : x
  2. Step 2: Convert to fraction form
    352,424.97/486,125.19 = 209,083.50/x
  3. Step 3: Cross multiply
    352,424.97x = 486,125.19 × 209,083.50
  4. Step 4: Simplify right side
    352,424.97x = 101,640,756,163.37
  5. Step 5: Solve for x
    x = 101,640,756,163.37/352,424.97
  6. Step 6: Final answer
    x = 288,403.96

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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.