Home / 347,997.15-480,467.43-267,280.38

Finding the Fourth Proportional to 347,997.15, 480,467.43 and 267,280.38

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Solution

The fourth proportional to 347,997.15, 480,467.43 and 267,280.38 is: 369,024.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,997.15 : 480,467.43 = 267,280.38 : x
  2. Step 2: Convert to fraction form
    347,997.15/480,467.43 = 267,280.38/x
  3. Step 3: Cross multiply
    347,997.15x = 480,467.43 × 267,280.38
  4. Step 4: Simplify right side
    347,997.15x = 128,419,517,268.02
  5. Step 5: Solve for x
    x = 128,419,517,268.02/347,997.15
  6. Step 6: Final answer
    x = 369,024.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.