Home / 215,470.38-323,205.60-57,694.80

Finding the Fourth Proportional to 215,470.38, 323,205.60 and 57,694.80

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Solution

The fourth proportional to 215,470.38, 323,205.60 and 57,694.80 is: 86,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,470.38 : 323,205.60 = 57,694.80 : x
  2. Step 2: Convert to fraction form
    215,470.38/323,205.60 = 57,694.80/x
  3. Step 3: Cross multiply
    215,470.38x = 323,205.60 × 57,694.80
  4. Step 4: Simplify right side
    215,470.38x = 18,647,282,450.88
  5. Step 5: Solve for x
    x = 18,647,282,450.88/215,470.38
  6. Step 6: Final answer
    x = 86,542.21

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1.5x scale

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.