Home / 320,682.14-442,677.66-199,883.60

Finding the Fourth Proportional to 320,682.14, 442,677.66 and 199,883.60

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Solution

The fourth proportional to 320,682.14, 442,677.66 and 199,883.60 is: 275,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,682.14 : 442,677.66 = 199,883.60 : x
  2. Step 2: Convert to fraction form
    320,682.14/442,677.66 = 199,883.60/x
  3. Step 3: Cross multiply
    320,682.14x = 442,677.66 × 199,883.60
  4. Step 4: Simplify right side
    320,682.14x = 88,484,004,320.38
  5. Step 5: Solve for x
    x = 88,484,004,320.38/320,682.14
  6. Step 6: Final answer
    x = 275,924.33

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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.