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Finding the Fourth Proportional to 396,063.46, 546,596.47 and 226,293.94

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Solution

The fourth proportional to 396,063.46, 546,596.47 and 226,293.94 is: 312,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,063.46 : 546,596.47 = 226,293.94 : x
  2. Step 2: Convert to fraction form
    396,063.46/546,596.47 = 226,293.94/x
  3. Step 3: Cross multiply
    396,063.46x = 546,596.47 × 226,293.94
  4. Step 4: Simplify right side
    396,063.46x = 123,691,468,786.39
  5. Step 5: Solve for x
    x = 123,691,468,786.39/396,063.46
  6. Step 6: Final answer
    x = 312,302.15

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1.5x scale

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.