Home / 356,340.60-491,346.41-227,106.18

Finding the Fourth Proportional to 356,340.60, 491,346.41 and 227,106.18

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Solution

The fourth proportional to 356,340.60, 491,346.41 and 227,106.18 is: 313,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,340.60 : 491,346.41 = 227,106.18 : x
  2. Step 2: Convert to fraction form
    356,340.60/491,346.41 = 227,106.18/x
  3. Step 3: Cross multiply
    356,340.60x = 491,346.41 × 227,106.18
  4. Step 4: Simplify right side
    356,340.60x = 111,587,805,096.28
  5. Step 5: Solve for x
    x = 111,587,805,096.28/356,340.60
  6. Step 6: Final answer
    x = 313,149.29

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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.