Home / 231,528.90-347,408.55-131,765.70

Finding the Fourth Proportional to 231,528.90, 347,408.55 and 131,765.70

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Solution

The fourth proportional to 231,528.90, 347,408.55 and 131,765.70 is: 197,714.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,528.90 : 347,408.55 = 131,765.70 : x
  2. Step 2: Convert to fraction form
    231,528.90/347,408.55 = 131,765.70/x
  3. Step 3: Cross multiply
    231,528.90x = 347,408.55 × 131,765.70
  4. Step 4: Simplify right side
    231,528.90x = 45,776,530,776.74
  5. Step 5: Solve for x
    x = 45,776,530,776.74/231,528.90
  6. Step 6: Final answer
    x = 197,714.11

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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.