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Finding the Fourth Proportional to 324,321.93, 447,445.67 and 188,307.45

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Solution

The fourth proportional to 324,321.93, 447,445.67 and 188,307.45 is: 259,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,321.93 : 447,445.67 = 188,307.45 : x
  2. Step 2: Convert to fraction form
    324,321.93/447,445.67 = 188,307.45/x
  3. Step 3: Cross multiply
    324,321.93x = 447,445.67 × 188,307.45
  4. Step 4: Simplify right side
    324,321.93x = 84,257,352,189.70
  5. Step 5: Solve for x
    x = 84,257,352,189.70/324,321.93
  6. Step 6: Final answer
    x = 259,795.42

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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.