Home / 268,827.43-403,299.46-81,834.07

Finding the Fourth Proportional to 268,827.43, 403,299.46 and 81,834.07

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Solution

The fourth proportional to 268,827.43, 403,299.46 and 81,834.07 is: 122,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,827.43 : 403,299.46 = 81,834.07 : x
  2. Step 2: Convert to fraction form
    268,827.43/403,299.46 = 81,834.07/x
  3. Step 3: Cross multiply
    268,827.43x = 403,299.46 × 81,834.07
  4. Step 4: Simplify right side
    268,827.43x = 33,003,633,814.93
  5. Step 5: Solve for x
    x = 33,003,633,814.93/268,827.43
  6. Step 6: Final answer
    x = 122,768.85

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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.