Home / 857,272.20-1,285,961.82-226,186.68

Finding the Fourth Proportional to 857,272.20, 1,285,961.82 and 226,186.68

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Solution

The fourth proportional to 857,272.20, 1,285,961.82 and 226,186.68 is: 339,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,272.20 : 1,285,961.82 = 226,186.68 : x
  2. Step 2: Convert to fraction form
    857,272.20/1,285,961.82 = 226,186.68/x
  3. Step 3: Cross multiply
    857,272.20x = 1,285,961.82 × 226,186.68
  4. Step 4: Simplify right side
    857,272.20x = 290,867,434,672.56
  5. Step 5: Solve for x
    x = 290,867,434,672.56/857,272.20
  6. Step 6: Final answer
    x = 339,294.14

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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.