Home / 483,239.80-666,872.49-268,379.85

Finding the Fourth Proportional to 483,239.80, 666,872.49 and 268,379.85

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Solution

The fourth proportional to 483,239.80, 666,872.49 and 268,379.85 is: 370,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,239.80 : 666,872.49 = 268,379.85 : x
  2. Step 2: Convert to fraction form
    483,239.80/666,872.49 = 268,379.85/x
  3. Step 3: Cross multiply
    483,239.80x = 666,872.49 × 268,379.85
  4. Step 4: Simplify right side
    483,239.80x = 178,975,138,835.33
  5. Step 5: Solve for x
    x = 178,975,138,835.33/483,239.80
  6. Step 6: Final answer
    x = 370,365.06

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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.