Home / 331,016.65-496,136.18-153,147.97

Finding the Fourth Proportional to 331,016.65, 496,136.18 and 153,147.97

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Solution

The fourth proportional to 331,016.65, 496,136.18 and 153,147.97 is: 229,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,016.65 : 496,136.18 = 153,147.97 : x
  2. Step 2: Convert to fraction form
    331,016.65/496,136.18 = 153,147.97/x
  3. Step 3: Cross multiply
    331,016.65x = 496,136.18 × 153,147.97
  4. Step 4: Simplify right side
    331,016.65x = 75,982,248,044.81
  5. Step 5: Solve for x
    x = 75,982,248,044.81/331,016.65
  6. Step 6: Final answer
    x = 229,542.07

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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.