Home / 396,012.72-546,463.80-226,213.68

Finding the Fourth Proportional to 396,012.72, 546,463.80 and 226,213.68

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Solution

The fourth proportional to 396,012.72, 546,463.80 and 226,213.68 is: 312,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,012.72 : 546,463.80 = 226,213.68 : x
  2. Step 2: Convert to fraction form
    396,012.72/546,463.80 = 226,213.68/x
  3. Step 3: Cross multiply
    396,012.72x = 546,463.80 × 226,213.68
  4. Step 4: Simplify right side
    396,012.72x = 123,617,587,184.78
  5. Step 5: Solve for x
    x = 123,617,587,184.78/396,012.72
  6. Step 6: Final answer
    x = 312,155.60

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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.