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Finding the Fourth Proportional to 348,034.50, 480,519.27 and 267,318

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Solution

The fourth proportional to 348,034.50, 480,519.27 and 267,318 is: 369,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,034.50 : 480,519.27 = 267,318 : x
  2. Step 2: Convert to fraction form
    348,034.50/480,519.27 = 267,318/x
  3. Step 3: Cross multiply
    348,034.50x = 480,519.27 × 267,318
  4. Step 4: Simplify right side
    348,034.50x = 128,451,450,217.86
  5. Step 5: Solve for x
    x = 128,451,450,217.86/348,034.50
  6. Step 6: Final answer
    x = 369,076.77

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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.