Home / 220,218.48-303,927-206,706.96

Finding the Fourth Proportional to 220,218.48, 303,927 and 206,706.96

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Solution

The fourth proportional to 220,218.48, 303,927 and 206,706.96 is: 285,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,218.48 : 303,927 = 206,706.96 : x
  2. Step 2: Convert to fraction form
    220,218.48/303,927 = 206,706.96/x
  3. Step 3: Cross multiply
    220,218.48x = 303,927 × 206,706.96
  4. Step 4: Simplify right side
    220,218.48x = 62,823,826,231.92
  5. Step 5: Solve for x
    x = 62,823,826,231.92/220,218.48
  6. Step 6: Final answer
    x = 285,279.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.