Home / 320,571.36-481,008.24-143,062.56

Finding the Fourth Proportional to 320,571.36, 481,008.24 and 143,062.56

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Solution

The fourth proportional to 320,571.36, 481,008.24 and 143,062.56 is: 214,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,571.36 : 481,008.24 = 143,062.56 : x
  2. Step 2: Convert to fraction form
    320,571.36/481,008.24 = 143,062.56/x
  3. Step 3: Cross multiply
    320,571.36x = 481,008.24 × 143,062.56
  4. Step 4: Simplify right side
    320,571.36x = 68,814,270,195.49
  5. Step 5: Solve for x
    x = 68,814,270,195.49/320,571.36
  6. Step 6: Final answer
    x = 214,661.32

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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.