Home / 219,766.05-331,296.24-205,118.46

Finding the Fourth Proportional to 219,766.05, 331,296.24 and 205,118.46

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Solution

The fourth proportional to 219,766.05, 331,296.24 and 205,118.46 is: 309,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,766.05 : 331,296.24 = 205,118.46 : x
  2. Step 2: Convert to fraction form
    219,766.05/331,296.24 = 205,118.46/x
  3. Step 3: Cross multiply
    219,766.05x = 331,296.24 × 205,118.46
  4. Step 4: Simplify right side
    219,766.05x = 67,954,974,552.59
  5. Step 5: Solve for x
    x = 67,954,974,552.59/219,766.05
  6. Step 6: Final answer
    x = 309,215.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.