Home / 214,938.90-322,408.35-57,183.30

Finding the Fourth Proportional to 214,938.90, 322,408.35 and 57,183.30

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Solution

The fourth proportional to 214,938.90, 322,408.35 and 57,183.30 is: 85,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,938.90 : 322,408.35 = 57,183.30 : x
  2. Step 2: Convert to fraction form
    214,938.90/322,408.35 = 57,183.30/x
  3. Step 3: Cross multiply
    214,938.90x = 322,408.35 × 57,183.30
  4. Step 4: Simplify right side
    214,938.90x = 18,436,373,400.56
  5. Step 5: Solve for x
    x = 18,436,373,400.56/214,938.90
  6. Step 6: Final answer
    x = 85,774.95

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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.