Home / 202,565.43-278,733.53-196,402.19

Finding the Fourth Proportional to 202,565.43, 278,733.53 and 196,402.19

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Solution

The fourth proportional to 202,565.43, 278,733.53 and 196,402.19 is: 270,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,565.43 : 278,733.53 = 196,402.19 : x
  2. Step 2: Convert to fraction form
    202,565.43/278,733.53 = 196,402.19/x
  3. Step 3: Cross multiply
    202,565.43x = 278,733.53 × 196,402.19
  4. Step 4: Simplify right side
    202,565.43x = 54,743,875,718.43
  5. Step 5: Solve for x
    x = 54,743,875,718.43/202,565.43
  6. Step 6: Final answer
    x = 270,252.81

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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.