Home / 324,473.20-447,785.76-188,505.52

Finding the Fourth Proportional to 324,473.20, 447,785.76 and 188,505.52

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Solution

The fourth proportional to 324,473.20, 447,785.76 and 188,505.52 is: 260,145.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,473.20 : 447,785.76 = 188,505.52 : x
  2. Step 2: Convert to fraction form
    324,473.20/447,785.76 = 188,505.52/x
  3. Step 3: Cross multiply
    324,473.20x = 447,785.76 × 188,505.52
  4. Step 4: Simplify right side
    324,473.20x = 84,410,087,537.40
  5. Step 5: Solve for x
    x = 84,410,087,537.40/324,473.20
  6. Step 6: Final answer
    x = 260,145.02

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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.