Finding the Fourth Proportional to 308,114.70, 461,394.45 and 245,906.70
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Solution
The fourth proportional to 308,114.70, 461,394.45 and 245,906.70 is: 368,239.45
Step by Step Solution
- Step 1: Write the proportion equation
308,114.70 : 461,394.45 = 245,906.70 : x - Step 2: Convert to fraction form
308,114.70/461,394.45 = 245,906.70/x - Step 3: Cross multiply
308,114.70x = 461,394.45 × 245,906.70 - Step 4: Simplify right side
308,114.70x = 113,459,986,597.82 - Step 5: Solve for x
x = 113,459,986,597.82/308,114.70 - Step 6: Final answer
x = 368,239.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.