Home / 220,261.06-331,872.28-199,224.55

Finding the Fourth Proportional to 220,261.06, 331,872.28 and 199,224.55

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Solution

The fourth proportional to 220,261.06, 331,872.28 and 199,224.55 is: 300,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,261.06 : 331,872.28 = 199,224.55 : x
  2. Step 2: Convert to fraction form
    220,261.06/331,872.28 = 199,224.55/x
  3. Step 3: Cross multiply
    220,261.06x = 331,872.28 × 199,224.55
  4. Step 4: Simplify right side
    220,261.06x = 66,117,105,640.47
  5. Step 5: Solve for x
    x = 66,117,105,640.47/220,261.06
  6. Step 6: Final answer
    x = 300,176.10

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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.