Home / 320,839.75-481,732.73-178,962.23

Finding the Fourth Proportional to 320,839.75, 481,732.73 and 178,962.23

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Solution

The fourth proportional to 320,839.75, 481,732.73 and 178,962.23 is: 268,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,839.75 : 481,732.73 = 178,962.23 : x
  2. Step 2: Convert to fraction form
    320,839.75/481,732.73 = 178,962.23/x
  3. Step 3: Cross multiply
    320,839.75x = 481,732.73 × 178,962.23
  4. Step 4: Simplify right side
    320,839.75x = 86,211,961,663.53
  5. Step 5: Solve for x
    x = 86,211,961,663.53/320,839.75
  6. Step 6: Final answer
    x = 268,707.24

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1.5x scale

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.