Home / 214,851.53-321,668.28-178,536.39

Finding the Fourth Proportional to 214,851.53, 321,668.28 and 178,536.39

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Solution

The fourth proportional to 214,851.53, 321,668.28 and 178,536.39 is: 267,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,851.53 : 321,668.28 = 178,536.39 : x
  2. Step 2: Convert to fraction form
    214,851.53/321,668.28 = 178,536.39/x
  3. Step 3: Cross multiply
    214,851.53x = 321,668.28 × 178,536.39
  4. Step 4: Simplify right side
    214,851.53x = 57,429,493,488.71
  5. Step 5: Solve for x
    x = 57,429,493,488.71/214,851.53
  6. Step 6: Final answer
    x = 267,298.51

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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.