Finding the Fourth Proportional to 503,361.18, 694,638.53 and 277,006.68
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Solution
The fourth proportional to 503,361.18, 694,638.53 and 277,006.68 is: 382,269.27
Step by Step Solution
- Step 1: Write the proportion equation
503,361.18 : 694,638.53 = 277,006.68 : x - Step 2: Convert to fraction form
503,361.18/694,638.53 = 277,006.68/x - Step 3: Cross multiply
503,361.18x = 694,638.53 × 277,006.68 - Step 4: Simplify right side
503,361.18x = 192,419,512,995.38 - Step 5: Solve for x
x = 192,419,512,995.38/503,361.18 - Step 6: Final answer
x = 382,269.27
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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.