Home / 352,639.27-486,648-199,673.43

Finding the Fourth Proportional to 352,639.27, 486,648 and 199,673.43

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Solution

The fourth proportional to 352,639.27, 486,648 and 199,673.43 is: 275,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,639.27 : 486,648 = 199,673.43 : x
  2. Step 2: Convert to fraction form
    352,639.27/486,648 = 199,673.43/x
  3. Step 3: Cross multiply
    352,639.27x = 486,648 × 199,673.43
  4. Step 4: Simplify right side
    352,639.27x = 97,170,675,362.64
  5. Step 5: Solve for x
    x = 97,170,675,362.64/352,639.27
  6. Step 6: Final answer
    x = 275,552.62

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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.