Home / 220,222.98-303,933.21-206,711.46

Finding the Fourth Proportional to 220,222.98, 303,933.21 and 206,711.46

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Solution

The fourth proportional to 220,222.98, 303,933.21 and 206,711.46 is: 285,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,222.98 : 303,933.21 = 206,711.46 : x
  2. Step 2: Convert to fraction form
    220,222.98/303,933.21 = 206,711.46/x
  3. Step 3: Cross multiply
    220,222.98x = 303,933.21 × 206,711.46
  4. Step 4: Simplify right side
    220,222.98x = 62,826,477,581.59
  5. Step 5: Solve for x
    x = 62,826,477,581.59/220,222.98
  6. Step 6: Final answer
    x = 285,285.75

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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.