Home / 454,936.29-682,379.83-139,394.11

Finding the Fourth Proportional to 454,936.29, 682,379.83 and 139,394.11

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Solution

The fourth proportional to 454,936.29, 682,379.83 and 139,394.11 is: 209,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,936.29 : 682,379.83 = 139,394.11 : x
  2. Step 2: Convert to fraction form
    454,936.29/682,379.83 = 139,394.11/x
  3. Step 3: Cross multiply
    454,936.29x = 682,379.83 × 139,394.11
  4. Step 4: Simplify right side
    454,936.29x = 95,119,724,975.93
  5. Step 5: Solve for x
    x = 95,119,724,975.93/454,936.29
  6. Step 6: Final answer
    x = 209,083.62

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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.