Home / 303,315.85-454,540.23-222,721.47

Finding the Fourth Proportional to 303,315.85, 454,540.23 and 222,721.47

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Solution

The fourth proportional to 303,315.85, 454,540.23 and 222,721.47 is: 333,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,315.85 : 454,540.23 = 222,721.47 : x
  2. Step 2: Convert to fraction form
    303,315.85/454,540.23 = 222,721.47/x
  3. Step 3: Cross multiply
    303,315.85x = 454,540.23 × 222,721.47
  4. Step 4: Simplify right side
    303,315.85x = 101,235,868,199.74
  5. Step 5: Solve for x
    x = 101,235,868,199.74/303,315.85
  6. Step 6: Final answer
    x = 333,763.86

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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.