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Finding the Fourth Proportional to 396,061.96, 546,594.40 and 226,292.44

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Solution

The fourth proportional to 396,061.96, 546,594.40 and 226,292.44 is: 312,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,061.96 : 546,594.40 = 226,292.44 : x
  2. Step 2: Convert to fraction form
    396,061.96/546,594.40 = 226,292.44/x
  3. Step 3: Cross multiply
    396,061.96x = 546,594.40 × 226,292.44
  4. Step 4: Simplify right side
    396,061.96x = 123,690,180,466.34
  5. Step 5: Solve for x
    x = 123,690,180,466.34/396,061.96
  6. Step 6: Final answer
    x = 312,300.08

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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.