Home / 320,975.52-481,517.92-161,127.84

Finding the Fourth Proportional to 320,975.52, 481,517.92 and 161,127.84

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Solution

The fourth proportional to 320,975.52, 481,517.92 and 161,127.84 is: 241,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,975.52 : 481,517.92 = 161,127.84 : x
  2. Step 2: Convert to fraction form
    320,975.52/481,517.92 = 161,127.84/x
  3. Step 3: Cross multiply
    320,975.52x = 481,517.92 × 161,127.84
  4. Step 4: Simplify right side
    320,975.52x = 77,585,942,370.89
  5. Step 5: Solve for x
    x = 77,585,942,370.89/320,975.52
  6. Step 6: Final answer
    x = 241,719.19

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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.