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Finding the Fourth Proportional to 227,004.72, 313,218.99 and 131,505.72

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Solution

The fourth proportional to 227,004.72, 313,218.99 and 131,505.72 is: 181,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,004.72 : 313,218.99 = 131,505.72 : x
  2. Step 2: Convert to fraction form
    227,004.72/313,218.99 = 131,505.72/x
  3. Step 3: Cross multiply
    227,004.72x = 313,218.99 × 131,505.72
  4. Step 4: Simplify right side
    227,004.72x = 41,190,088,797.62
  5. Step 5: Solve for x
    x = 41,190,088,797.62/227,004.72
  6. Step 6: Final answer
    x = 181,450.36

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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.