Home / 214,183.20-321,290.55-56,410.50

Finding the Fourth Proportional to 214,183.20, 321,290.55 and 56,410.50

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Solution

The fourth proportional to 214,183.20, 321,290.55 and 56,410.50 is: 84,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,183.20 : 321,290.55 = 56,410.50 : x
  2. Step 2: Convert to fraction form
    214,183.20/321,290.55 = 56,410.50/x
  3. Step 3: Cross multiply
    214,183.20x = 321,290.55 × 56,410.50
  4. Step 4: Simplify right side
    214,183.20x = 18,124,160,570.78
  5. Step 5: Solve for x
    x = 18,124,160,570.78/214,183.20
  6. Step 6: Final answer
    x = 84,619.90

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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.