Home / 221,715.26-332,486.61-71,919.33

Finding the Fourth Proportional to 221,715.26, 332,486.61 and 71,919.33

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Solution

The fourth proportional to 221,715.26, 332,486.61 and 71,919.33 is: 107,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,715.26 : 332,486.61 = 71,919.33 : x
  2. Step 2: Convert to fraction form
    221,715.26/332,486.61 = 71,919.33/x
  3. Step 3: Cross multiply
    221,715.26x = 332,486.61 × 71,919.33
  4. Step 4: Simplify right side
    221,715.26x = 23,912,214,225.17
  5. Step 5: Solve for x
    x = 23,912,214,225.17/221,715.26
  6. Step 6: Final answer
    x = 107,851.01

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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.