Home / 308,450.43-425,536.34-200,981.25

Finding the Fourth Proportional to 308,450.43, 425,536.34 and 200,981.25

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Solution

The fourth proportional to 308,450.43, 425,536.34 and 200,981.25 is: 277,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,450.43 : 425,536.34 = 200,981.25 : x
  2. Step 2: Convert to fraction form
    308,450.43/425,536.34 = 200,981.25/x
  3. Step 3: Cross multiply
    308,450.43x = 425,536.34 × 200,981.25
  4. Step 4: Simplify right side
    308,450.43x = 85,524,824,528.72
  5. Step 5: Solve for x
    x = 85,524,824,528.72/308,450.43
  6. Step 6: Final answer
    x = 277,272.51

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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.