Home / 321,284.40-443,375.04-178,046.82

Finding the Fourth Proportional to 321,284.40, 443,375.04 and 178,046.82

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Solution

The fourth proportional to 321,284.40, 443,375.04 and 178,046.82 is: 245,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,284.40 : 443,375.04 = 178,046.82 : x
  2. Step 2: Convert to fraction form
    321,284.40/443,375.04 = 178,046.82/x
  3. Step 3: Cross multiply
    321,284.40x = 443,375.04 × 178,046.82
  4. Step 4: Simplify right side
    321,284.40x = 78,941,515,939.37
  5. Step 5: Solve for x
    x = 78,941,515,939.37/321,284.40
  6. Step 6: Final answer
    x = 245,706.03

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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.