Home / 379,046.48-568,078.04-154,145.12

Finding the Fourth Proportional to 379,046.48, 568,078.04 and 154,145.12

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Solution

The fourth proportional to 379,046.48, 568,078.04 and 154,145.12 is: 231,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,046.48 : 568,078.04 = 154,145.12 : x
  2. Step 2: Convert to fraction form
    379,046.48/568,078.04 = 154,145.12/x
  3. Step 3: Cross multiply
    379,046.48x = 568,078.04 × 154,145.12
  4. Step 4: Simplify right side
    379,046.48x = 87,566,454,034.05
  5. Step 5: Solve for x
    x = 87,566,454,034.05/379,046.48
  6. Step 6: Final answer
    x = 231,017.72

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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.