Home / 320,661.27-481,007.39-84,004.17

Finding the Fourth Proportional to 320,661.27, 481,007.39 and 84,004.17

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Solution

The fourth proportional to 320,661.27, 481,007.39 and 84,004.17 is: 126,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,661.27 : 481,007.39 = 84,004.17 : x
  2. Step 2: Convert to fraction form
    320,661.27/481,007.39 = 84,004.17/x
  3. Step 3: Cross multiply
    320,661.27x = 481,007.39 × 84,004.17
  4. Step 4: Simplify right side
    320,661.27x = 40,406,626,560.82
  5. Step 5: Solve for x
    x = 40,406,626,560.82/320,661.27
  6. Step 6: Final answer
    x = 126,010.31

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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.