Home / 269,688.57-404,613.33-80,155.24

Finding the Fourth Proportional to 269,688.57, 404,613.33 and 80,155.24

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Solution

The fourth proportional to 269,688.57, 404,613.33 and 80,155.24 is: 120,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,688.57 : 404,613.33 = 80,155.24 : x
  2. Step 2: Convert to fraction form
    269,688.57/404,613.33 = 80,155.24/x
  3. Step 3: Cross multiply
    269,688.57x = 404,613.33 × 80,155.24
  4. Step 4: Simplify right side
    269,688.57x = 32,431,878,573.35
  5. Step 5: Solve for x
    x = 32,431,878,573.35/269,688.57
  6. Step 6: Final answer
    x = 120,256.78

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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.