Home / 262,814.52-394,229.04-75,826

Finding the Fourth Proportional to 262,814.52, 394,229.04 and 75,826

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Solution

The fourth proportional to 262,814.52, 394,229.04 and 75,826 is: 113,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,814.52 : 394,229.04 = 75,826 : x
  2. Step 2: Convert to fraction form
    262,814.52/394,229.04 = 75,826/x
  3. Step 3: Cross multiply
    262,814.52x = 394,229.04 × 75,826
  4. Step 4: Simplify right side
    262,814.52x = 29,892,811,187.04
  5. Step 5: Solve for x
    x = 29,892,811,187.04/262,814.52
  6. Step 6: Final answer
    x = 113,741.09

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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.