Home / 216,193.86-322,116.33-204,121.62

Finding the Fourth Proportional to 216,193.86, 322,116.33 and 204,121.62

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Solution

The fourth proportional to 216,193.86, 322,116.33 and 204,121.62 is: 304,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,193.86 : 322,116.33 = 204,121.62 : x
  2. Step 2: Convert to fraction form
    216,193.86/322,116.33 = 204,121.62/x
  3. Step 3: Cross multiply
    216,193.86x = 322,116.33 × 204,121.62
  4. Step 4: Simplify right side
    216,193.86x = 65,750,906,087.45
  5. Step 5: Solve for x
    x = 65,750,906,087.45/216,193.86
  6. Step 6: Final answer
    x = 304,129.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.