Home / 217,640.40-326,452.98-89,552.06

Finding the Fourth Proportional to 217,640.40, 326,452.98 and 89,552.06

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Solution

The fourth proportional to 217,640.40, 326,452.98 and 89,552.06 is: 134,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,640.40 : 326,452.98 = 89,552.06 : x
  2. Step 2: Convert to fraction form
    217,640.40/326,452.98 = 89,552.06/x
  3. Step 3: Cross multiply
    217,640.40x = 326,452.98 × 89,552.06
  4. Step 4: Simplify right side
    217,640.40x = 29,234,536,852.14
  5. Step 5: Solve for x
    x = 29,234,536,852.14/217,640.40
  6. Step 6: Final answer
    x = 134,324.95

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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.