Home / 214,575.99-321,736.24-72,386.28

Finding the Fourth Proportional to 214,575.99, 321,736.24 and 72,386.28

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Solution

The fourth proportional to 214,575.99, 321,736.24 and 72,386.28 is: 108,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,575.99 : 321,736.24 = 72,386.28 : x
  2. Step 2: Convert to fraction form
    214,575.99/321,736.24 = 72,386.28/x
  3. Step 3: Cross multiply
    214,575.99x = 321,736.24 × 72,386.28
  4. Step 4: Simplify right side
    214,575.99x = 23,289,289,554.79
  5. Step 5: Solve for x
    x = 23,289,289,554.79/214,575.99
  6. Step 6: Final answer
    x = 108,536.33

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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.