Home / 360,268.88-497,196.78-199,120.44

Finding the Fourth Proportional to 360,268.88, 497,196.78 and 199,120.44

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Solution

The fourth proportional to 360,268.88, 497,196.78 and 199,120.44 is: 274,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,268.88 : 497,196.78 = 199,120.44 : x
  2. Step 2: Convert to fraction form
    360,268.88/497,196.78 = 199,120.44/x
  3. Step 3: Cross multiply
    360,268.88x = 497,196.78 × 199,120.44
  4. Step 4: Simplify right side
    360,268.88x = 99,002,041,600.18
  5. Step 5: Solve for x
    x = 99,002,041,600.18/360,268.88
  6. Step 6: Final answer
    x = 274,800.43

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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.