Home / 221,093.10-331,638.30-63,321.84

Finding the Fourth Proportional to 221,093.10, 331,638.30 and 63,321.84

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Solution

The fourth proportional to 221,093.10, 331,638.30 and 63,321.84 is: 94,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,093.10 : 331,638.30 = 63,321.84 : x
  2. Step 2: Convert to fraction form
    221,093.10/331,638.30 = 63,321.84/x
  3. Step 3: Cross multiply
    221,093.10x = 331,638.30 × 63,321.84
  4. Step 4: Simplify right side
    221,093.10x = 20,999,947,370.47
  5. Step 5: Solve for x
    x = 20,999,947,370.47/221,093.10
  6. Step 6: Final answer
    x = 94,982.37

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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.