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Finding the Fourth Proportional to 324,372.40, 447,634.56 and 181,132

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Solution

The fourth proportional to 324,372.40, 447,634.56 and 181,132 is: 249,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,372.40 : 447,634.56 = 181,132 : x
  2. Step 2: Convert to fraction form
    324,372.40/447,634.56 = 181,132/x
  3. Step 3: Cross multiply
    324,372.40x = 447,634.56 × 181,132
  4. Step 4: Simplify right side
    324,372.40x = 81,080,943,121.92
  5. Step 5: Solve for x
    x = 81,080,943,121.92/324,372.40
  6. Step 6: Final answer
    x = 249,962.52

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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.