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Finding the Fourth Proportional to 227,474.88, 313,813.84 and 131,926.24

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Solution

The fourth proportional to 227,474.88, 313,813.84 and 131,926.24 is: 181,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,474.88 : 313,813.84 = 131,926.24 : x
  2. Step 2: Convert to fraction form
    227,474.88/313,813.84 = 131,926.24/x
  3. Step 3: Cross multiply
    227,474.88x = 313,813.84 × 131,926.24
  4. Step 4: Simplify right side
    227,474.88x = 41,400,279,971.16
  5. Step 5: Solve for x
    x = 41,400,279,971.16/227,474.88
  6. Step 6: Final answer
    x = 181,999.35

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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.