Home / 454,954.35-682,406.92-139,412.17

Finding the Fourth Proportional to 454,954.35, 682,406.92 and 139,412.17

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Solution

The fourth proportional to 454,954.35, 682,406.92 and 139,412.17 is: 209,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,954.35 : 682,406.92 = 139,412.17 : x
  2. Step 2: Convert to fraction form
    454,954.35/682,406.92 = 139,412.17/x
  3. Step 3: Cross multiply
    454,954.35x = 682,406.92 × 139,412.17
  4. Step 4: Simplify right side
    454,954.35x = 95,135,825,431.12
  5. Step 5: Solve for x
    x = 95,135,825,431.12/454,954.35
  6. Step 6: Final answer
    x = 209,110.71

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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.