Home / 324,216.09-447,456.15-269,672.03

Finding the Fourth Proportional to 324,216.09, 447,456.15 and 269,672.03

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Solution

The fourth proportional to 324,216.09, 447,456.15 and 269,672.03 is: 372,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,216.09 : 447,456.15 = 269,672.03 : x
  2. Step 2: Convert to fraction form
    324,216.09/447,456.15 = 269,672.03/x
  3. Step 3: Cross multiply
    324,216.09x = 447,456.15 × 269,672.03
  4. Step 4: Simplify right side
    324,216.09x = 120,666,406,069.20
  5. Step 5: Solve for x
    x = 120,666,406,069.20/324,216.09
  6. Step 6: Final answer
    x = 372,178.96

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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.