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Finding the Fourth Proportional to 310,514.09, 465,652.85 and 203,869.49

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Solution

The fourth proportional to 310,514.09, 465,652.85 and 203,869.49 is: 305,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,514.09 : 465,652.85 = 203,869.49 : x
  2. Step 2: Convert to fraction form
    310,514.09/465,652.85 = 203,869.49/x
  3. Step 3: Cross multiply
    310,514.09x = 465,652.85 × 203,869.49
  4. Step 4: Simplify right side
    310,514.09x = 94,932,405,698.93
  5. Step 5: Solve for x
    x = 94,932,405,698.93/310,514.09
  6. Step 6: Final answer
    x = 305,726.57

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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.