Finding the Fourth Proportional to 326,922.71, 451,354.62 and 259,213.19
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Solution
The fourth proportional to 326,922.71, 451,354.62 and 259,213.19 is: 357,873.79
Step by Step Solution
- Step 1: Write the proportion equation
326,922.71 : 451,354.62 = 259,213.19 : x - Step 2: Convert to fraction form
326,922.71/451,354.62 = 259,213.19/x - Step 3: Cross multiply
326,922.71x = 451,354.62 × 259,213.19 - Step 4: Simplify right side
326,922.71x = 116,997,070,871.44 - Step 5: Solve for x
x = 116,997,070,871.44/326,922.71 - Step 6: Final answer
x = 357,873.79
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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.