Home / 308,450.93-425,537.03-200,981.75

Finding the Fourth Proportional to 308,450.93, 425,537.03 and 200,981.75

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Solution

The fourth proportional to 308,450.93, 425,537.03 and 200,981.75 is: 277,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,450.93 : 425,537.03 = 200,981.75 : x
  2. Step 2: Convert to fraction form
    308,450.93/425,537.03 = 200,981.75/x
  3. Step 3: Cross multiply
    308,450.93x = 425,537.03 × 200,981.75
  4. Step 4: Simplify right side
    308,450.93x = 85,525,175,974.29
  5. Step 5: Solve for x
    x = 85,525,175,974.29/308,450.93
  6. Step 6: Final answer
    x = 277,273.20

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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.