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Finding the Fourth Proportional to 228,822.78, 315,759.51 and 126,847.26

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Solution

The fourth proportional to 228,822.78, 315,759.51 and 126,847.26 is: 175,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,822.78 : 315,759.51 = 126,847.26 : x
  2. Step 2: Convert to fraction form
    228,822.78/315,759.51 = 126,847.26/x
  3. Step 3: Cross multiply
    228,822.78x = 315,759.51 × 126,847.26
  4. Step 4: Simplify right side
    228,822.78x = 40,053,228,662.44
  5. Step 5: Solve for x
    x = 40,053,228,662.44/228,822.78
  6. Step 6: Final answer
    x = 175,040.39

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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.