Home / 214,520.82-321,885.09-88,254.37

Finding the Fourth Proportional to 214,520.82, 321,885.09 and 88,254.37

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Solution

The fourth proportional to 214,520.82, 321,885.09 and 88,254.37 is: 132,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,520.82 : 321,885.09 = 88,254.37 : x
  2. Step 2: Convert to fraction form
    214,520.82/321,885.09 = 88,254.37/x
  3. Step 3: Cross multiply
    214,520.82x = 321,885.09 × 88,254.37
  4. Step 4: Simplify right side
    214,520.82x = 28,407,765,830.34
  5. Step 5: Solve for x
    x = 28,407,765,830.34/214,520.82
  6. Step 6: Final answer
    x = 132,424.28

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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.