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Finding the Fourth Proportional to 647,310.70, 970,966.05 and 226,629.10

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Solution

The fourth proportional to 647,310.70, 970,966.05 and 226,629.10 is: 339,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,310.70 : 970,966.05 = 226,629.10 : x
  2. Step 2: Convert to fraction form
    647,310.70/970,966.05 = 226,629.10/x
  3. Step 3: Cross multiply
    647,310.70x = 970,966.05 × 226,629.10
  4. Step 4: Simplify right side
    647,310.70x = 220,049,162,042.06
  5. Step 5: Solve for x
    x = 220,049,162,042.06/647,310.70
  6. Step 6: Final answer
    x = 339,943.65

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Similar ratio
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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.