Home / 221,014.45-331,471.82-71,226.01

Finding the Fourth Proportional to 221,014.45, 331,471.82 and 71,226.01

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Solution

The fourth proportional to 221,014.45, 331,471.82 and 71,226.01 is: 106,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,014.45 : 331,471.82 = 71,226.01 : x
  2. Step 2: Convert to fraction form
    221,014.45/331,471.82 = 71,226.01/x
  3. Step 3: Cross multiply
    221,014.45x = 331,471.82 × 71,226.01
  4. Step 4: Simplify right side
    221,014.45x = 23,609,414,809.91
  5. Step 5: Solve for x
    x = 23,609,414,809.91/221,014.45
  6. Step 6: Final answer
    x = 106,822.95

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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.