Home / 442,629.70-663,152.55-269,205.70

Finding the Fourth Proportional to 442,629.70, 663,152.55 and 269,205.70

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Solution

The fourth proportional to 442,629.70, 663,152.55 and 269,205.70 is: 403,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,629.70 : 663,152.55 = 269,205.70 : x
  2. Step 2: Convert to fraction form
    442,629.70/663,152.55 = 269,205.70/x
  3. Step 3: Cross multiply
    442,629.70x = 663,152.55 × 269,205.70
  4. Step 4: Simplify right side
    442,629.70x = 178,524,446,429.54
  5. Step 5: Solve for x
    x = 178,524,446,429.54/442,629.70
  6. Step 6: Final answer
    x = 403,326.86

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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.