Home / 857,265.80-1,285,952.12-226,180.22

Finding the Fourth Proportional to 857,265.80, 1,285,952.12 and 226,180.22

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Solution

The fourth proportional to 857,265.80, 1,285,952.12 and 226,180.22 is: 339,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,265.80 : 1,285,952.12 = 226,180.22 : x
  2. Step 2: Convert to fraction form
    857,265.80/1,285,952.12 = 226,180.22/x
  3. Step 3: Cross multiply
    857,265.80x = 1,285,952.12 × 226,180.22
  4. Step 4: Simplify right side
    857,265.80x = 290,856,926,698.58
  5. Step 5: Solve for x
    x = 290,856,926,698.58/857,265.80
  6. Step 6: Final answer
    x = 339,284.42

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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.