Home / 311,824.05-468,009.45-185,306.10

Finding the Fourth Proportional to 311,824.05, 468,009.45 and 185,306.10

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Solution

The fourth proportional to 311,824.05, 468,009.45 and 185,306.10 is: 278,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,824.05 : 468,009.45 = 185,306.10 : x
  2. Step 2: Convert to fraction form
    311,824.05/468,009.45 = 185,306.10/x
  3. Step 3: Cross multiply
    311,824.05x = 468,009.45 × 185,306.10
  4. Step 4: Simplify right side
    311,824.05x = 86,725,005,942.65
  5. Step 5: Solve for x
    x = 86,725,005,942.65/311,824.05
  6. Step 6: Final answer
    x = 278,121.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.