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Finding the Fourth Proportional to 569,910.08, 855,159.78 and 250,286.61

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Solution

The fourth proportional to 569,910.08, 855,159.78 and 250,286.61 is: 375,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,910.08 : 855,159.78 = 250,286.61 : x
  2. Step 2: Convert to fraction form
    569,910.08/855,159.78 = 250,286.61/x
  3. Step 3: Cross multiply
    569,910.08x = 855,159.78 × 250,286.61
  4. Step 4: Simplify right side
    569,910.08x = 214,035,040,271.83
  5. Step 5: Solve for x
    x = 214,035,040,271.83/569,910.08
  6. Step 6: Final answer
    x = 375,559.32

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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.