Home / 378,037.40-567,712.20-200,890.40

Finding the Fourth Proportional to 378,037.40, 567,712.20 and 200,890.40

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Solution

The fourth proportional to 378,037.40, 567,712.20 and 200,890.40 is: 301,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,037.40 : 567,712.20 = 200,890.40 : x
  2. Step 2: Convert to fraction form
    378,037.40/567,712.20 = 200,890.40/x
  3. Step 3: Cross multiply
    378,037.40x = 567,712.20 × 200,890.40
  4. Step 4: Simplify right side
    378,037.40x = 114,047,930,942.88
  5. Step 5: Solve for x
    x = 114,047,930,942.88/378,037.40
  6. Step 6: Final answer
    x = 301,684.25

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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.