Home / 214,531.48-321,794.72-52,426.88

Finding the Fourth Proportional to 214,531.48, 321,794.72 and 52,426.88

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Solution

The fourth proportional to 214,531.48, 321,794.72 and 52,426.88 is: 78,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,531.48 : 321,794.72 = 52,426.88 : x
  2. Step 2: Convert to fraction form
    214,531.48/321,794.72 = 52,426.88/x
  3. Step 3: Cross multiply
    214,531.48x = 321,794.72 × 52,426.88
  4. Step 4: Simplify right side
    214,531.48x = 16,870,693,170.07
  5. Step 5: Solve for x
    x = 16,870,693,170.07/214,531.48
  6. Step 6: Final answer
    x = 78,639.71

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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.