Home / 214,941.53-321,991.89-177,045.21

Finding the Fourth Proportional to 214,941.53, 321,991.89 and 177,045.21

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Solution

The fourth proportional to 214,941.53, 321,991.89 and 177,045.21 is: 265,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,941.53 : 321,991.89 = 177,045.21 : x
  2. Step 2: Convert to fraction form
    214,941.53/321,991.89 = 177,045.21/x
  3. Step 3: Cross multiply
    214,941.53x = 321,991.89 × 177,045.21
  4. Step 4: Simplify right side
    214,941.53x = 57,007,121,783.35
  5. Step 5: Solve for x
    x = 57,007,121,783.35/214,941.53
  6. Step 6: Final answer
    x = 265,221.53

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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.