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Finding the Fourth Proportional to 396,858.30, 547,751.12 and 244,028.02

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Solution

The fourth proportional to 396,858.30, 547,751.12 and 244,028.02 is: 336,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,858.30 : 547,751.12 = 244,028.02 : x
  2. Step 2: Convert to fraction form
    396,858.30/547,751.12 = 244,028.02/x
  3. Step 3: Cross multiply
    396,858.30x = 547,751.12 × 244,028.02
  4. Step 4: Simplify right side
    396,858.30x = 133,666,621,266.38
  5. Step 5: Solve for x
    x = 133,666,621,266.38/396,858.30
  6. Step 6: Final answer
    x = 336,811.96

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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.