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Finding the Fourth Proportional to 325,999.01, 449,871.92 and 180,781.35

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Solution

The fourth proportional to 325,999.01, 449,871.92 and 180,781.35 is: 249,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,999.01 : 449,871.92 = 180,781.35 : x
  2. Step 2: Convert to fraction form
    325,999.01/449,871.92 = 180,781.35/x
  3. Step 3: Cross multiply
    325,999.01x = 449,871.92 × 180,781.35
  4. Step 4: Simplify right side
    325,999.01x = 81,328,452,120.79
  5. Step 5: Solve for x
    x = 81,328,452,120.79/325,999.01
  6. Step 6: Final answer
    x = 249,474.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.