Home / 231,394.20-347,091.30-218,272.20

Finding the Fourth Proportional to 231,394.20, 347,091.30 and 218,272.20

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Solution

The fourth proportional to 231,394.20, 347,091.30 and 218,272.20 is: 327,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,394.20 : 347,091.30 = 218,272.20 : x
  2. Step 2: Convert to fraction form
    231,394.20/347,091.30 = 218,272.20/x
  3. Step 3: Cross multiply
    231,394.20x = 347,091.30 × 218,272.20
  4. Step 4: Simplify right side
    231,394.20x = 75,760,381,651.86
  5. Step 5: Solve for x
    x = 75,760,381,651.86/231,394.20
  6. Step 6: Final answer
    x = 327,408.30

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1.5x scale

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.