Home / 214,938.78-321,987.77-177,042.46

Finding the Fourth Proportional to 214,938.78, 321,987.77 and 177,042.46

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Solution

The fourth proportional to 214,938.78, 321,987.77 and 177,042.46 is: 265,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,938.78 : 321,987.77 = 177,042.46 : x
  2. Step 2: Convert to fraction form
    214,938.78/321,987.77 = 177,042.46/x
  3. Step 3: Cross multiply
    214,938.78x = 321,987.77 × 177,042.46
  4. Step 4: Simplify right side
    214,938.78x = 57,005,505,200.53
  5. Step 5: Solve for x
    x = 57,005,505,200.53/214,938.78
  6. Step 6: Final answer
    x = 265,217.40

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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.