Home / 347,934.27-480,420.69-267,233.97

Finding the Fourth Proportional to 347,934.27, 480,420.69 and 267,233.97

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Solution

The fourth proportional to 347,934.27, 480,420.69 and 267,233.97 is: 368,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,934.27 : 480,420.69 = 267,233.97 : x
  2. Step 2: Convert to fraction form
    347,934.27/480,420.69 = 267,233.97/x
  3. Step 3: Cross multiply
    347,934.27x = 480,420.69 × 267,233.97
  4. Step 4: Simplify right side
    347,934.27x = 128,384,728,258.84
  5. Step 5: Solve for x
    x = 128,384,728,258.84/347,934.27
  6. Step 6: Final answer
    x = 368,991.33

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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.