Home / 360,284.12-497,217.89-199,135.73

Finding the Fourth Proportional to 360,284.12, 497,217.89 and 199,135.73

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Solution

The fourth proportional to 360,284.12, 497,217.89 and 199,135.73 is: 274,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,284.12 : 497,217.89 = 199,135.73 : x
  2. Step 2: Convert to fraction form
    360,284.12/497,217.89 = 199,135.73/x
  3. Step 3: Cross multiply
    360,284.12x = 497,217.89 × 199,135.73
  4. Step 4: Simplify right side
    360,284.12x = 99,013,844,012.44
  5. Step 5: Solve for x
    x = 99,013,844,012.44/360,284.12
  6. Step 6: Final answer
    x = 274,821.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.