Home / 214,260.36-321,344.40-87,776.58

Finding the Fourth Proportional to 214,260.36, 321,344.40 and 87,776.58

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Solution

The fourth proportional to 214,260.36, 321,344.40 and 87,776.58 is: 131,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,260.36 : 321,344.40 = 87,776.58 : x
  2. Step 2: Convert to fraction form
    214,260.36/321,344.40 = 87,776.58/x
  3. Step 3: Cross multiply
    214,260.36x = 321,344.40 × 87,776.58
  4. Step 4: Simplify right side
    214,260.36x = 28,206,512,434.15
  5. Step 5: Solve for x
    x = 28,206,512,434.15/214,260.36
  6. Step 6: Final answer
    x = 131,645.97

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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.