Home / 297,697.30-410,822.76-161,731.78

Finding the Fourth Proportional to 297,697.30, 410,822.76 and 161,731.78

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Solution

The fourth proportional to 297,697.30, 410,822.76 and 161,731.78 is: 223,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,697.30 : 410,822.76 = 161,731.78 : x
  2. Step 2: Convert to fraction form
    297,697.30/410,822.76 = 161,731.78/x
  3. Step 3: Cross multiply
    297,697.30x = 410,822.76 × 161,731.78
  4. Step 4: Simplify right side
    297,697.30x = 66,443,096,239.31
  5. Step 5: Solve for x
    x = 66,443,096,239.31/297,697.30
  6. Step 6: Final answer
    x = 223,190.12

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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.