Home / 320,842.43-481,736.75-178,964.91

Finding the Fourth Proportional to 320,842.43, 481,736.75 and 178,964.91

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Solution

The fourth proportional to 320,842.43, 481,736.75 and 178,964.91 is: 268,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,842.43 : 481,736.75 = 178,964.91 : x
  2. Step 2: Convert to fraction form
    320,842.43/481,736.75 = 178,964.91/x
  3. Step 3: Cross multiply
    320,842.43x = 481,736.75 × 178,964.91
  4. Step 4: Simplify right side
    320,842.43x = 86,213,973,212.62
  5. Step 5: Solve for x
    x = 86,213,973,212.62/320,842.43
  6. Step 6: Final answer
    x = 268,711.26

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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.