Home / 269,689.21-372,311.05-197,010.50

Finding the Fourth Proportional to 269,689.21, 372,311.05 and 197,010.50

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Solution

The fourth proportional to 269,689.21, 372,311.05 and 197,010.50 is: 271,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,689.21 : 372,311.05 = 197,010.50 : x
  2. Step 2: Convert to fraction form
    269,689.21/372,311.05 = 197,010.50/x
  3. Step 3: Cross multiply
    269,689.21x = 372,311.05 × 197,010.50
  4. Step 4: Simplify right side
    269,689.21x = 73,349,183,269.42
  5. Step 5: Solve for x
    x = 73,349,183,269.42/269,689.21
  6. Step 6: Final answer
    x = 271,976.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.