Home / 303,869.20-455,147.70-264,503.20

Finding the Fourth Proportional to 303,869.20, 455,147.70 and 264,503.20

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Solution

The fourth proportional to 303,869.20, 455,147.70 and 264,503.20 is: 396,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,869.20 : 455,147.70 = 264,503.20 : x
  2. Step 2: Convert to fraction form
    303,869.20/455,147.70 = 264,503.20/x
  3. Step 3: Cross multiply
    303,869.20x = 455,147.70 × 264,503.20
  4. Step 4: Simplify right side
    303,869.20x = 120,388,023,122.64
  5. Step 5: Solve for x
    x = 120,388,023,122.64/303,869.20
  6. Step 6: Final answer
    x = 396,183.70

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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.