Home / 214,729.26-321,968.07-143,732.76

Finding the Fourth Proportional to 214,729.26, 321,968.07 and 143,732.76

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Solution

The fourth proportional to 214,729.26, 321,968.07 and 143,732.76 is: 215,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,729.26 : 321,968.07 = 143,732.76 : x
  2. Step 2: Convert to fraction form
    214,729.26/321,968.07 = 143,732.76/x
  3. Step 3: Cross multiply
    214,729.26x = 321,968.07 × 143,732.76
  4. Step 4: Simplify right side
    214,729.26x = 46,277,359,332.97
  5. Step 5: Solve for x
    x = 46,277,359,332.97/214,729.26
  6. Step 6: Final answer
    x = 215,514.92

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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.