Finding the Fourth Proportional to 664,278.26, 996,222.36 and 304,245.32
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Solution
The fourth proportional to 664,278.26, 996,222.36 and 304,245.32 is: 456,278.65
Step by Step Solution
- Step 1: Write the proportion equation
664,278.26 : 996,222.36 = 304,245.32 : x - Step 2: Convert to fraction form
664,278.26/996,222.36 = 304,245.32/x - Step 3: Cross multiply
664,278.26x = 996,222.36 × 304,245.32 - Step 4: Simplify right side
664,278.26x = 303,095,990,709.36 - Step 5: Solve for x
x = 303,095,990,709.36/664,278.26 - Step 6: Final answer
x = 456,278.65
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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.