Finding the Fourth Proportional to 624,168.20, 936,122.70 and 269,193.80
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Solution
The fourth proportional to 624,168.20, 936,122.70 and 269,193.80 is: 403,734.81
Step by Step Solution
- Step 1: Write the proportion equation
624,168.20 : 936,122.70 = 269,193.80 : x - Step 2: Convert to fraction form
624,168.20/936,122.70 = 269,193.80/x - Step 3: Cross multiply
624,168.20x = 936,122.70 × 269,193.80 - Step 4: Simplify right side
624,168.20x = 251,998,426,879.26 - Step 5: Solve for x
x = 251,998,426,879.26/624,168.20 - Step 6: Final answer
x = 403,734.81
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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.