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Finding the Fourth Proportional to 647,208.66, 971,250.36 and 226,488.18

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Solution

The fourth proportional to 647,208.66, 971,250.36 and 226,488.18 is: 339,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,208.66 : 971,250.36 = 226,488.18 : x
  2. Step 2: Convert to fraction form
    647,208.66/971,250.36 = 226,488.18/x
  3. Step 3: Cross multiply
    647,208.66x = 971,250.36 × 226,488.18
  4. Step 4: Simplify right side
    647,208.66x = 219,976,726,360.75
  5. Step 5: Solve for x
    x = 219,976,726,360.75/647,208.66
  6. Step 6: Final answer
    x = 339,885.33

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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.