Home / 396,047.88-546,575.04-226,278.36

Finding the Fourth Proportional to 396,047.88, 546,575.04 and 226,278.36

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Solution

The fourth proportional to 396,047.88, 546,575.04 and 226,278.36 is: 312,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,047.88 : 546,575.04 = 226,278.36 : x
  2. Step 2: Convert to fraction form
    396,047.88/546,575.04 = 226,278.36/x
  3. Step 3: Cross multiply
    396,047.88x = 546,575.04 × 226,278.36
  4. Step 4: Simplify right side
    396,047.88x = 123,678,103,668.13
  5. Step 5: Solve for x
    x = 123,678,103,668.13/396,047.88
  6. Step 6: Final answer
    x = 312,280.69

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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.