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Finding the Fourth Proportional to 335,530.12, 503,606.22 and 169,434.76

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Solution

The fourth proportional to 335,530.12, 503,606.22 and 169,434.76 is: 254,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,530.12 : 503,606.22 = 169,434.76 : x
  2. Step 2: Convert to fraction form
    335,530.12/503,606.22 = 169,434.76/x
  3. Step 3: Cross multiply
    335,530.12x = 503,606.22 × 169,434.76
  4. Step 4: Simplify right side
    335,530.12x = 85,328,399,020.21
  5. Step 5: Solve for x
    x = 85,328,399,020.21/335,530.12
  6. Step 6: Final answer
    x = 254,309.21

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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.