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Finding the Fourth Proportional to 227,240.64, 313,657.92 and 131,768.64

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Solution

The fourth proportional to 227,240.64, 313,657.92 and 131,768.64 is: 181,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,240.64 : 313,657.92 = 131,768.64 : x
  2. Step 2: Convert to fraction form
    227,240.64/313,657.92 = 131,768.64/x
  3. Step 3: Cross multiply
    227,240.64x = 313,657.92 × 131,768.64
  4. Step 4: Simplify right side
    227,240.64x = 41,330,277,543.63
  5. Step 5: Solve for x
    x = 41,330,277,543.63/227,240.64
  6. Step 6: Final answer
    x = 181,878.90

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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.