Home / 853,176.09-1,279,764.14-254,121.67

Finding the Fourth Proportional to 853,176.09, 1,279,764.14 and 254,121.67

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Solution

The fourth proportional to 853,176.09, 1,279,764.14 and 254,121.67 is: 381,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,176.09 : 1,279,764.14 = 254,121.67 : x
  2. Step 2: Convert to fraction form
    853,176.09/1,279,764.14 = 254,121.67/x
  3. Step 3: Cross multiply
    853,176.09x = 1,279,764.14 × 254,121.67
  4. Step 4: Simplify right side
    853,176.09x = 325,215,800,462.91
  5. Step 5: Solve for x
    x = 325,215,800,462.91/853,176.09
  6. Step 6: Final answer
    x = 381,182.51

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Similar ratio
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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.