Home / 356,414.06-491,457.38-227,147.96

Finding the Fourth Proportional to 356,414.06, 491,457.38 and 227,147.96

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Solution

The fourth proportional to 356,414.06, 491,457.38 and 227,147.96 is: 313,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,414.06 : 491,457.38 = 227,147.96 : x
  2. Step 2: Convert to fraction form
    356,414.06/491,457.38 = 227,147.96/x
  3. Step 3: Cross multiply
    356,414.06x = 491,457.38 × 227,147.96
  4. Step 4: Simplify right side
    356,414.06x = 111,633,541,293.95
  5. Step 5: Solve for x
    x = 111,633,541,293.95/356,414.06
  6. Step 6: Final answer
    x = 313,213.07

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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.