Home / 274,986.18-379,193.13-203,516.10

Finding the Fourth Proportional to 274,986.18, 379,193.13 and 203,516.10

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Solution

The fourth proportional to 274,986.18, 379,193.13 and 203,516.10 is: 280,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,986.18 : 379,193.13 = 203,516.10 : x
  2. Step 2: Convert to fraction form
    274,986.18/379,193.13 = 203,516.10/x
  3. Step 3: Cross multiply
    274,986.18x = 379,193.13 × 203,516.10
  4. Step 4: Simplify right side
    274,986.18x = 77,171,906,964.39
  5. Step 5: Solve for x
    x = 77,171,906,964.39/274,986.18
  6. Step 6: Final answer
    x = 280,639.22

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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.