Home / 221,502.24-331,706.88-126,496.80

Finding the Fourth Proportional to 221,502.24, 331,706.88 and 126,496.80

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Solution

The fourth proportional to 221,502.24, 331,706.88 and 126,496.80 is: 189,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,502.24 : 331,706.88 = 126,496.80 : x
  2. Step 2: Convert to fraction form
    221,502.24/331,706.88 = 126,496.80/x
  3. Step 3: Cross multiply
    221,502.24x = 331,706.88 × 126,496.80
  4. Step 4: Simplify right side
    221,502.24x = 41,959,858,857.98
  5. Step 5: Solve for x
    x = 41,959,858,857.98/221,502.24
  6. Step 6: Final answer
    x = 189,433.11

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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.