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Finding the Fourth Proportional to 335,965.70, 503,257.35 and 169,847.30

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Solution

The fourth proportional to 335,965.70, 503,257.35 and 169,847.30 is: 254,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,965.70 : 503,257.35 = 169,847.30 : x
  2. Step 2: Convert to fraction form
    335,965.70/503,257.35 = 169,847.30/x
  3. Step 3: Cross multiply
    335,965.70x = 503,257.35 × 169,847.30
  4. Step 4: Simplify right side
    335,965.70x = 85,476,902,102.66
  5. Step 5: Solve for x
    x = 85,476,902,102.66/335,965.70
  6. Step 6: Final answer
    x = 254,421.51

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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.