Finding the Fourth Proportional to 613,171.62, 919,755.75 and 192,478.98
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Solution
The fourth proportional to 613,171.62, 919,755.75 and 192,478.98 is: 288,717.94
Step by Step Solution
- Step 1: Write the proportion equation
613,171.62 : 919,755.75 = 192,478.98 : x - Step 2: Convert to fraction form
613,171.62/919,755.75 = 192,478.98/x - Step 3: Cross multiply
613,171.62x = 919,755.75 × 192,478.98 - Step 4: Simplify right side
613,171.62x = 177,033,648,609.14 - Step 5: Solve for x
x = 177,033,648,609.14/613,171.62 - Step 6: Final answer
x = 288,717.94
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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.