Home / 396,247.53-546,821.58-226,485.30

Finding the Fourth Proportional to 396,247.53, 546,821.58 and 226,485.30

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Solution

The fourth proportional to 396,247.53, 546,821.58 and 226,485.30 is: 312,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,247.53 : 546,821.58 = 226,485.30 : x
  2. Step 2: Convert to fraction form
    396,247.53/546,821.58 = 226,485.30/x
  3. Step 3: Cross multiply
    396,247.53x = 546,821.58 × 226,485.30
  4. Step 4: Simplify right side
    396,247.53x = 123,847,049,592.77
  5. Step 5: Solve for x
    x = 123,847,049,592.77/396,247.53
  6. Step 6: Final answer
    x = 312,549.71

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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.