Home / 225,979.76-311,935.92-194,020.40

Finding the Fourth Proportional to 225,979.76, 311,935.92 and 194,020.40

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Solution

The fourth proportional to 225,979.76, 311,935.92 and 194,020.40 is: 267,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,979.76 : 311,935.92 = 194,020.40 : x
  2. Step 2: Convert to fraction form
    225,979.76/311,935.92 = 194,020.40/x
  3. Step 3: Cross multiply
    225,979.76x = 311,935.92 × 194,020.40
  4. Step 4: Simplify right side
    225,979.76x = 60,521,931,972.77
  5. Step 5: Solve for x
    x = 60,521,931,972.77/225,979.76
  6. Step 6: Final answer
    x = 267,820.14

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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.