Home / 214,311.62-321,480.80-56,540.23

Finding the Fourth Proportional to 214,311.62, 321,480.80 and 56,540.23

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Solution

The fourth proportional to 214,311.62, 321,480.80 and 56,540.23 is: 84,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,311.62 : 321,480.80 = 56,540.23 : x
  2. Step 2: Convert to fraction form
    214,311.62/321,480.80 = 56,540.23/x
  3. Step 3: Cross multiply
    214,311.62x = 321,480.80 × 56,540.23
  4. Step 4: Simplify right side
    214,311.62x = 18,176,598,372.58
  5. Step 5: Solve for x
    x = 18,176,598,372.58/214,311.62
  6. Step 6: Final answer
    x = 84,813.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.