Home / 214,630.32-321,814.26-102,344.88

Finding the Fourth Proportional to 214,630.32, 321,814.26 and 102,344.88

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Solution

The fourth proportional to 214,630.32, 321,814.26 and 102,344.88 is: 153,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,630.32 : 321,814.26 = 102,344.88 : x
  2. Step 2: Convert to fraction form
    214,630.32/321,814.26 = 102,344.88/x
  3. Step 3: Cross multiply
    214,630.32x = 321,814.26 × 102,344.88
  4. Step 4: Simplify right side
    214,630.32x = 32,936,041,821.99
  5. Step 5: Solve for x
    x = 32,936,041,821.99/214,630.32
  6. Step 6: Final answer
    x = 153,454.75

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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.