Home / 214,366.21-321,269-87,858.34

Finding the Fourth Proportional to 214,366.21, 321,269 and 87,858.34

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Solution

The fourth proportional to 214,366.21, 321,269 and 87,858.34 is: 131,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,366.21 : 321,269 = 87,858.34 : x
  2. Step 2: Convert to fraction form
    214,366.21/321,269 = 87,858.34/x
  3. Step 3: Cross multiply
    214,366.21x = 321,269 × 87,858.34
  4. Step 4: Simplify right side
    214,366.21x = 28,226,159,427.12
  5. Step 5: Solve for x
    x = 28,226,159,427.12/214,366.21
  6. Step 6: Final answer
    x = 131,672.62

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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.