Home / 320,690.13-481,174.71-201,021.33

Finding the Fourth Proportional to 320,690.13, 481,174.71 and 201,021.33

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Solution

The fourth proportional to 320,690.13, 481,174.71 and 201,021.33 is: 301,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,690.13 : 481,174.71 = 201,021.33 : x
  2. Step 2: Convert to fraction form
    320,690.13/481,174.71 = 201,021.33/x
  3. Step 3: Cross multiply
    320,690.13x = 481,174.71 × 201,021.33
  4. Step 4: Simplify right side
    320,690.13x = 96,726,380,166.56
  5. Step 5: Solve for x
    x = 96,726,380,166.56/320,690.13
  6. Step 6: Final answer
    x = 301,619.45

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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.