Home / 378,268.22-567,291.60-311,542.85

Finding the Fourth Proportional to 378,268.22, 567,291.60 and 311,542.85

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Solution

The fourth proportional to 378,268.22, 567,291.60 and 311,542.85 is: 467,223.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,268.22 : 567,291.60 = 311,542.85 : x
  2. Step 2: Convert to fraction form
    378,268.22/567,291.60 = 311,542.85/x
  3. Step 3: Cross multiply
    378,268.22x = 567,291.60 × 311,542.85
  4. Step 4: Simplify right side
    378,268.22x = 176,735,639,008.60
  5. Step 5: Solve for x
    x = 176,735,639,008.60/378,268.22
  6. Step 6: Final answer
    x = 467,223.08

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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.