Home / 281,769.92-388,901.18-259,072.81

Finding the Fourth Proportional to 281,769.92, 388,901.18 and 259,072.81

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Solution

The fourth proportional to 281,769.92, 388,901.18 and 259,072.81 is: 357,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,769.92 : 388,901.18 = 259,072.81 : x
  2. Step 2: Convert to fraction form
    281,769.92/388,901.18 = 259,072.81/x
  3. Step 3: Cross multiply
    281,769.92x = 388,901.18 × 259,072.81
  4. Step 4: Simplify right side
    281,769.92x = 100,753,718,275.05
  5. Step 5: Solve for x
    x = 100,753,718,275.05/281,769.92
  6. Step 6: Final answer
    x = 357,574.43

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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.