Home / 326,942.20-490,426.89-102,306.97

Finding the Fourth Proportional to 326,942.20, 490,426.89 and 102,306.97

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Solution

The fourth proportional to 326,942.20, 490,426.89 and 102,306.97 is: 153,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,942.20 : 490,426.89 = 102,306.97 : x
  2. Step 2: Convert to fraction form
    326,942.20/490,426.89 = 102,306.97/x
  3. Step 3: Cross multiply
    326,942.20x = 490,426.89 × 102,306.97
  4. Step 4: Simplify right side
    326,942.20x = 50,174,089,122.42
  5. Step 5: Solve for x
    x = 50,174,089,122.42/326,942.20
  6. Step 6: Final answer
    x = 153,464.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.