Home / 221,222.36-331,834.86-55,010.36

Finding the Fourth Proportional to 221,222.36, 331,834.86 and 55,010.36

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Solution

The fourth proportional to 221,222.36, 331,834.86 and 55,010.36 is: 82,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,222.36 : 331,834.86 = 55,010.36 : x
  2. Step 2: Convert to fraction form
    221,222.36/331,834.86 = 55,010.36/x
  3. Step 3: Cross multiply
    221,222.36x = 331,834.86 × 55,010.36
  4. Step 4: Simplify right side
    221,222.36x = 18,254,355,109.15
  5. Step 5: Solve for x
    x = 18,254,355,109.15/221,222.36
  6. Step 6: Final answer
    x = 82,515.87

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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.