Home / 336,719.20-505,778.64-267,085.12

Finding the Fourth Proportional to 336,719.20, 505,778.64 and 267,085.12

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Solution

The fourth proportional to 336,719.20, 505,778.64 and 267,085.12 is: 401,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,719.20 : 505,778.64 = 267,085.12 : x
  2. Step 2: Convert to fraction form
    336,719.20/505,778.64 = 267,085.12/x
  3. Step 3: Cross multiply
    336,719.20x = 505,778.64 × 267,085.12
  4. Step 4: Simplify right side
    336,719.20x = 135,085,948,757.84
  5. Step 5: Solve for x
    x = 135,085,948,757.84/336,719.20
  6. Step 6: Final answer
    x = 401,182.79

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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.