Home / 381,104.07-571,656.06-100,623.75

Finding the Fourth Proportional to 381,104.07, 571,656.06 and 100,623.75

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Solution

The fourth proportional to 381,104.07, 571,656.06 and 100,623.75 is: 150,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,104.07 : 571,656.06 = 100,623.75 : x
  2. Step 2: Convert to fraction form
    381,104.07/571,656.06 = 100,623.75/x
  3. Step 3: Cross multiply
    381,104.07x = 571,656.06 × 100,623.75
  4. Step 4: Simplify right side
    381,104.07x = 57,522,176,467.43
  5. Step 5: Solve for x
    x = 57,522,176,467.43/381,104.07
  6. Step 6: Final answer
    x = 150,935.61

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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.