Home / 220,993.65-331,828.25-211,895.73

Finding the Fourth Proportional to 220,993.65, 331,828.25 and 211,895.73

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Solution

The fourth proportional to 220,993.65, 331,828.25 and 211,895.73 is: 318,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,993.65 : 331,828.25 = 211,895.73 : x
  2. Step 2: Convert to fraction form
    220,993.65/331,828.25 = 211,895.73/x
  3. Step 3: Cross multiply
    220,993.65x = 331,828.25 × 211,895.73
  4. Step 4: Simplify right side
    220,993.65x = 70,312,988,208.89
  5. Step 5: Solve for x
    x = 70,312,988,208.89/220,993.65
  6. Step 6: Final answer
    x = 318,167.46

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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.