Home / 320,680.23-481,047.88-84,022.93

Finding the Fourth Proportional to 320,680.23, 481,047.88 and 84,022.93

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Solution

The fourth proportional to 320,680.23, 481,047.88 and 84,022.93 is: 126,041.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,680.23 : 481,047.88 = 84,022.93 : x
  2. Step 2: Convert to fraction form
    320,680.23/481,047.88 = 84,022.93/x
  3. Step 3: Cross multiply
    320,680.23x = 481,047.88 × 84,022.93
  4. Step 4: Simplify right side
    320,680.23x = 40,419,052,347.89
  5. Step 5: Solve for x
    x = 40,419,052,347.89/320,680.23
  6. Step 6: Final answer
    x = 126,041.61

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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.