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Finding the Fourth Proportional to 382,112.94, 526,760.10 and 267,034.30

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Solution

The fourth proportional to 382,112.94, 526,760.10 and 267,034.30 is: 368,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,112.94 : 526,760.10 = 267,034.30 : x
  2. Step 2: Convert to fraction form
    382,112.94/526,760.10 = 267,034.30/x
  3. Step 3: Cross multiply
    382,112.94x = 526,760.10 × 267,034.30
  4. Step 4: Simplify right side
    382,112.94x = 140,663,014,571.43
  5. Step 5: Solve for x
    x = 140,663,014,571.43/382,112.94
  6. Step 6: Final answer
    x = 368,118.95

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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.