Home / 221,101.24-331,651.86-54,889.24

Finding the Fourth Proportional to 221,101.24, 331,651.86 and 54,889.24

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Solution

The fourth proportional to 221,101.24, 331,651.86 and 54,889.24 is: 82,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,101.24 : 331,651.86 = 54,889.24 : x
  2. Step 2: Convert to fraction form
    221,101.24/331,651.86 = 54,889.24/x
  3. Step 3: Cross multiply
    221,101.24x = 331,651.86 × 54,889.24
  4. Step 4: Simplify right side
    221,101.24x = 18,204,118,539.99
  5. Step 5: Solve for x
    x = 18,204,118,539.99/221,101.24
  6. Step 6: Final answer
    x = 82,333.86

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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.