Home / 214,939.70-322,409.55-194,272.55

Finding the Fourth Proportional to 214,939.70, 322,409.55 and 194,272.55

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Solution

The fourth proportional to 214,939.70, 322,409.55 and 194,272.55 is: 291,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,939.70 : 322,409.55 = 194,272.55 : x
  2. Step 2: Convert to fraction form
    214,939.70/322,409.55 = 194,272.55/x
  3. Step 3: Cross multiply
    214,939.70x = 322,409.55 × 194,272.55
  4. Step 4: Simplify right side
    214,939.70x = 62,635,325,422.85
  5. Step 5: Solve for x
    x = 62,635,325,422.85/214,939.70
  6. Step 6: Final answer
    x = 291,408.83

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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.