Home / 214,381.08-321,233.24-79,259.72

Finding the Fourth Proportional to 214,381.08, 321,233.24 and 79,259.72

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Solution

The fourth proportional to 214,381.08, 321,233.24 and 79,259.72 is: 118,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,381.08 : 321,233.24 = 79,259.72 : x
  2. Step 2: Convert to fraction form
    214,381.08/321,233.24 = 79,259.72/x
  3. Step 3: Cross multiply
    214,381.08x = 321,233.24 × 79,259.72
  4. Step 4: Simplify right side
    214,381.08x = 25,460,855,249.08
  5. Step 5: Solve for x
    x = 25,460,855,249.08/214,381.08
  6. Step 6: Final answer
    x = 118,764.47

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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.