Home / 396,873.30-547,669.44-235,724.07

Finding the Fourth Proportional to 396,873.30, 547,669.44 and 235,724.07

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Solution

The fourth proportional to 396,873.30, 547,669.44 and 235,724.07 is: 325,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,873.30 : 547,669.44 = 235,724.07 : x
  2. Step 2: Convert to fraction form
    396,873.30/547,669.44 = 235,724.07/x
  3. Step 3: Cross multiply
    396,873.30x = 547,669.44 × 235,724.07
  4. Step 4: Simplify right side
    396,873.30x = 129,098,869,411.42
  5. Step 5: Solve for x
    x = 129,098,869,411.42/396,873.30
  6. Step 6: Final answer
    x = 325,289.88

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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.