Finding the Fourth Proportional to 303,374.36, 418,790.62 and 195,996.44
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Solution
The fourth proportional to 303,374.36, 418,790.62 and 195,996.44 is: 270,561.66
Step by Step Solution
- Step 1: Write the proportion equation
303,374.36 : 418,790.62 = 195,996.44 : x - Step 2: Convert to fraction form
303,374.36/418,790.62 = 195,996.44/x - Step 3: Cross multiply
303,374.36x = 418,790.62 × 195,996.44 - Step 4: Simplify right side
303,374.36x = 82,081,470,625.39 - Step 5: Solve for x
x = 82,081,470,625.39/303,374.36 - Step 6: Final answer
x = 270,561.66
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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.