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Finding the Fourth Proportional to 378,493.80, 567,258.30 and 201,085.80

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Solution

The fourth proportional to 378,493.80, 567,258.30 and 201,085.80 is: 301,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,493.80 : 567,258.30 = 201,085.80 : x
  2. Step 2: Convert to fraction form
    378,493.80/567,258.30 = 201,085.80/x
  3. Step 3: Cross multiply
    378,493.80x = 567,258.30 × 201,085.80
  4. Step 4: Simplify right side
    378,493.80x = 114,067,589,062.14
  5. Step 5: Solve for x
    x = 114,067,589,062.14/378,493.80
  6. Step 6: Final answer
    x = 301,372.41

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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.