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Finding the Fourth Proportional to 636,969.75, 955,602.26 and 216,245.63

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Solution

The fourth proportional to 636,969.75, 955,602.26 and 216,245.63 is: 324,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,969.75 : 955,602.26 = 216,245.63 : x
  2. Step 2: Convert to fraction form
    636,969.75/955,602.26 = 216,245.63/x
  3. Step 3: Cross multiply
    636,969.75x = 955,602.26 × 216,245.63
  4. Step 4: Simplify right side
    636,969.75x = 206,644,806,883.88
  5. Step 5: Solve for x
    x = 206,644,806,883.88/636,969.75
  6. Step 6: Final answer
    x = 324,418.56

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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.