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Finding the Fourth Proportional to 324,049.37, 447,116.49 and 188,004.47

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Solution

The fourth proportional to 324,049.37, 447,116.49 and 188,004.47 is: 259,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,049.37 : 447,116.49 = 188,004.47 : x
  2. Step 2: Convert to fraction form
    324,049.37/447,116.49 = 188,004.47/x
  3. Step 3: Cross multiply
    324,049.37x = 447,116.49 × 188,004.47
  4. Step 4: Simplify right side
    324,049.37x = 84,059,896,495.13
  5. Step 5: Solve for x
    x = 84,059,896,495.13/324,049.37
  6. Step 6: Final answer
    x = 259,404.60

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1.5x scale

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.