Finding the Fourth Proportional to 373,683.78, 515,678.81 and 203,906.97
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Solution
The fourth proportional to 373,683.78, 515,678.81 and 203,906.97 is: 281,388.99
Step by Step Solution
- Step 1: Write the proportion equation
373,683.78 : 515,678.81 = 203,906.97 : x - Step 2: Convert to fraction form
373,683.78/515,678.81 = 203,906.97/x - Step 3: Cross multiply
373,683.78x = 515,678.81 × 203,906.97 - Step 4: Simplify right side
373,683.78x = 105,150,502,620.77 - Step 5: Solve for x
x = 105,150,502,620.77/373,683.78 - Step 6: Final answer
x = 281,388.99
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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.