Home / 221,512.42-332,266.66-69,720.95

Finding the Fourth Proportional to 221,512.42, 332,266.66 and 69,720.95

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Solution

The fourth proportional to 221,512.42, 332,266.66 and 69,720.95 is: 104,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,512.42 : 332,266.66 = 69,720.95 : x
  2. Step 2: Convert to fraction form
    221,512.42/332,266.66 = 69,720.95/x
  3. Step 3: Cross multiply
    221,512.42x = 332,266.66 × 69,720.95
  4. Step 4: Simplify right side
    221,512.42x = 23,165,947,844.89
  5. Step 5: Solve for x
    x = 23,165,947,844.89/221,512.42
  6. Step 6: Final answer
    x = 104,580.81

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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.