Home / 379,318.92-568,979.16-154,618.44

Finding the Fourth Proportional to 379,318.92, 568,979.16 and 154,618.44

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Solution

The fourth proportional to 379,318.92, 568,979.16 and 154,618.44 is: 231,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,318.92 : 568,979.16 = 154,618.44 : x
  2. Step 2: Convert to fraction form
    379,318.92/568,979.16 = 154,618.44/x
  3. Step 3: Cross multiply
    379,318.92x = 568,979.16 × 154,618.44
  4. Step 4: Simplify right side
    379,318.92x = 87,974,670,111.71
  5. Step 5: Solve for x
    x = 87,974,670,111.71/379,318.92
  6. Step 6: Final answer
    x = 231,927.98

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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.