Home / 396,125.64-546,643.14-226,359.78

Finding the Fourth Proportional to 396,125.64, 546,643.14 and 226,359.78

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Solution

The fourth proportional to 396,125.64, 546,643.14 and 226,359.78 is: 312,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,125.64 : 546,643.14 = 226,359.78 : x
  2. Step 2: Convert to fraction form
    396,125.64/546,643.14 = 226,359.78/x
  3. Step 3: Cross multiply
    396,125.64x = 546,643.14 × 226,359.78
  4. Step 4: Simplify right side
    396,125.64x = 123,738,020,908.91
  5. Step 5: Solve for x
    x = 123,738,020,908.91/396,125.64
  6. Step 6: Final answer
    x = 312,370.64

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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.