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Finding the Fourth Proportional to 412,117.01, 568,727.16 and 268,794.80

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Solution

The fourth proportional to 412,117.01, 568,727.16 and 268,794.80 is: 370,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,117.01 : 568,727.16 = 268,794.80 : x
  2. Step 2: Convert to fraction form
    412,117.01/568,727.16 = 268,794.80/x
  3. Step 3: Cross multiply
    412,117.01x = 568,727.16 × 268,794.80
  4. Step 4: Simplify right side
    412,117.01x = 152,870,901,882.79
  5. Step 5: Solve for x
    x = 152,870,901,882.79/412,117.01
  6. Step 6: Final answer
    x = 370,940.53

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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.