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Finding the Fourth Proportional to 227,049.64, 313,338.23 and 126,447.64

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Solution

The fourth proportional to 227,049.64, 313,338.23 and 126,447.64 is: 174,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,049.64 : 313,338.23 = 126,447.64 : x
  2. Step 2: Convert to fraction form
    227,049.64/313,338.23 = 126,447.64/x
  3. Step 3: Cross multiply
    227,049.64x = 313,338.23 × 126,447.64
  4. Step 4: Simplify right side
    227,049.64x = 39,620,879,073.04
  5. Step 5: Solve for x
    x = 39,620,879,073.04/227,049.64
  6. Step 6: Final answer
    x = 174,503.16

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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.