Home / 224,236.67-309,449.01-122,261.28

Finding the Fourth Proportional to 224,236.67, 309,449.01 and 122,261.28

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Solution

The fourth proportional to 224,236.67, 309,449.01 and 122,261.28 is: 168,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,236.67 : 309,449.01 = 122,261.28 : x
  2. Step 2: Convert to fraction form
    224,236.67/309,449.01 = 122,261.28/x
  3. Step 3: Cross multiply
    224,236.67x = 309,449.01 × 122,261.28
  4. Step 4: Simplify right side
    224,236.67x = 37,833,632,057.33
  5. Step 5: Solve for x
    x = 37,833,632,057.33/224,236.67
  6. Step 6: Final answer
    x = 168,721.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.