Home / 217,108.28-325,474.02-84,085.22

Finding the Fourth Proportional to 217,108.28, 325,474.02 and 84,085.22

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Solution

The fourth proportional to 217,108.28, 325,474.02 and 84,085.22 is: 126,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,108.28 : 325,474.02 = 84,085.22 : x
  2. Step 2: Convert to fraction form
    217,108.28/325,474.02 = 84,085.22/x
  3. Step 3: Cross multiply
    217,108.28x = 325,474.02 × 84,085.22
  4. Step 4: Simplify right side
    217,108.28x = 27,367,554,575.98
  5. Step 5: Solve for x
    x = 27,367,554,575.98/217,108.28
  6. Step 6: Final answer
    x = 126,054.86

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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.