Home / 214,939.53-321,988.89-177,043.21

Finding the Fourth Proportional to 214,939.53, 321,988.89 and 177,043.21

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Solution

The fourth proportional to 214,939.53, 321,988.89 and 177,043.21 is: 265,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,939.53 : 321,988.89 = 177,043.21 : x
  2. Step 2: Convert to fraction form
    214,939.53/321,988.89 = 177,043.21/x
  3. Step 3: Cross multiply
    214,939.53x = 321,988.89 × 177,043.21
  4. Step 4: Simplify right side
    214,939.53x = 57,005,945,059.99
  5. Step 5: Solve for x
    x = 57,005,945,059.99/214,939.53
  6. Step 6: Final answer
    x = 265,218.52

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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.