Home / 217,220.03-325,806-57,312.17

Finding the Fourth Proportional to 217,220.03, 325,806 and 57,312.17

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Solution

The fourth proportional to 217,220.03, 325,806 and 57,312.17 is: 85,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,220.03 : 325,806 = 57,312.17 : x
  2. Step 2: Convert to fraction form
    217,220.03/325,806 = 57,312.17/x
  3. Step 3: Cross multiply
    217,220.03x = 325,806 × 57,312.17
  4. Step 4: Simplify right side
    217,220.03x = 18,672,647,229.99
  5. Step 5: Solve for x
    x = 18,672,647,229.99/217,220.03
  6. Step 6: Final answer
    x = 85,961.91

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1.5x scale

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.