Finding the Fourth Proportional to 326,293.97, 450,368.45 and 222,969.99
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Solution
The fourth proportional to 326,293.97, 450,368.45 and 222,969.99 is: 307,755.15
Step by Step Solution
- Step 1: Write the proportion equation
326,293.97 : 450,368.45 = 222,969.99 : x - Step 2: Convert to fraction form
326,293.97/450,368.45 = 222,969.99/x - Step 3: Cross multiply
326,293.97x = 450,368.45 × 222,969.99 - Step 4: Simplify right side
326,293.97x = 100,418,647,677.97 - Step 5: Solve for x
x = 100,418,647,677.97/326,293.97 - Step 6: Final answer
x = 307,755.15
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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.