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Finding the Fourth Proportional to 481,046.58, 721,012.19 and 181,335.24

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Solution

The fourth proportional to 481,046.58, 721,012.19 and 181,335.24 is: 271,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,046.58 : 721,012.19 = 181,335.24 : x
  2. Step 2: Convert to fraction form
    481,046.58/721,012.19 = 181,335.24/x
  3. Step 3: Cross multiply
    481,046.58x = 721,012.19 × 181,335.24
  4. Step 4: Simplify right side
    481,046.58x = 130,744,917,609.90
  5. Step 5: Solve for x
    x = 130,744,917,609.90/481,046.58
  6. Step 6: Final answer
    x = 271,792.64

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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.