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Finding the Fourth Proportional to 647,044.80, 970,221.60 and 226,334.40

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Solution

The fourth proportional to 647,044.80, 970,221.60 and 226,334.40 is: 339,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,044.80 : 970,221.60 = 226,334.40 : x
  2. Step 2: Convert to fraction form
    647,044.80/970,221.60 = 226,334.40/x
  3. Step 3: Cross multiply
    647,044.80x = 970,221.60 × 226,334.40
  4. Step 4: Simplify right side
    647,044.80x = 219,594,523,703.04
  5. Step 5: Solve for x
    x = 219,594,523,703.04/647,044.80
  6. Step 6: Final answer
    x = 339,380.71

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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.