Home / 324,371.40-447,633.18-181,131

Finding the Fourth Proportional to 324,371.40, 447,633.18 and 181,131

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Solution

The fourth proportional to 324,371.40, 447,633.18 and 181,131 is: 249,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,371.40 : 447,633.18 = 181,131 : x
  2. Step 2: Convert to fraction form
    324,371.40/447,633.18 = 181,131/x
  3. Step 3: Cross multiply
    324,371.40x = 447,633.18 × 181,131
  4. Step 4: Simplify right side
    324,371.40x = 81,080,245,526.58
  5. Step 5: Solve for x
    x = 81,080,245,526.58/324,371.40
  6. Step 6: Final answer
    x = 249,961.14

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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.