Home / 269,814.21-404,650.81-80,223.53

Finding the Fourth Proportional to 269,814.21, 404,650.81 and 80,223.53

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Solution

The fourth proportional to 269,814.21, 404,650.81 and 80,223.53 is: 120,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,814.21 : 404,650.81 = 80,223.53 : x
  2. Step 2: Convert to fraction form
    269,814.21/404,650.81 = 80,223.53/x
  3. Step 3: Cross multiply
    269,814.21x = 404,650.81 × 80,223.53
  4. Step 4: Simplify right side
    269,814.21x = 32,462,515,267.25
  5. Step 5: Solve for x
    x = 32,462,515,267.25/269,814.21
  6. Step 6: Final answer
    x = 120,314.33

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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.