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Finding the Fourth Proportional to 335,965.20, 503,256.60 and 169,846.80

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Solution

The fourth proportional to 335,965.20, 503,256.60 and 169,846.80 is: 254,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,965.20 : 503,256.60 = 169,846.80 : x
  2. Step 2: Convert to fraction form
    335,965.20/503,256.60 = 169,846.80/x
  3. Step 3: Cross multiply
    335,965.20x = 503,256.60 × 169,846.80
  4. Step 4: Simplify right side
    335,965.20x = 85,476,523,088.88
  5. Step 5: Solve for x
    x = 85,476,523,088.88/335,965.20
  6. Step 6: Final answer
    x = 254,420.76

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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.