Home / 228,949.68-315,982.82-126,997.80

Finding the Fourth Proportional to 228,949.68, 315,982.82 and 126,997.80

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Solution

The fourth proportional to 228,949.68, 315,982.82 and 126,997.80 is: 175,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,949.68 : 315,982.82 = 126,997.80 : x
  2. Step 2: Convert to fraction form
    228,949.68/315,982.82 = 126,997.80/x
  3. Step 3: Cross multiply
    228,949.68x = 315,982.82 × 126,997.80
  4. Step 4: Simplify right side
    228,949.68x = 40,129,122,977.80
  5. Step 5: Solve for x
    x = 40,129,122,977.80/228,949.68
  6. Step 6: Final answer
    x = 175,274.86

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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.