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Finding the Fourth Proportional to 335,175.76, 503,127.96 and 135,633.52

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Solution

The fourth proportional to 335,175.76, 503,127.96 and 135,633.52 is: 203,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,175.76 : 503,127.96 = 135,633.52 : x
  2. Step 2: Convert to fraction form
    335,175.76/503,127.96 = 135,633.52/x
  3. Step 3: Cross multiply
    335,175.76x = 503,127.96 × 135,633.52
  4. Step 4: Simplify right side
    335,175.76x = 68,241,016,225.22
  5. Step 5: Solve for x
    x = 68,241,016,225.22/335,175.76
  6. Step 6: Final answer
    x = 203,597.71

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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.