Home / 396,099.86-546,618.06-214,811.73

Finding the Fourth Proportional to 396,099.86, 546,618.06 and 214,811.73

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Solution

The fourth proportional to 396,099.86, 546,618.06 and 214,811.73 is: 296,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,099.86 : 546,618.06 = 214,811.73 : x
  2. Step 2: Convert to fraction form
    396,099.86/546,618.06 = 214,811.73/x
  3. Step 3: Cross multiply
    396,099.86x = 546,618.06 × 214,811.73
  4. Step 4: Simplify right side
    396,099.86x = 117,419,971,117.84
  5. Step 5: Solve for x
    x = 117,419,971,117.84/396,099.86
  6. Step 6: Final answer
    x = 296,440.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.