Finding the Fourth Proportional to 190,327.74, 284,888.97 and 133,906.38
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Solution
The fourth proportional to 190,327.74, 284,888.97 and 133,906.38 is: 200,435.58
Step by Step Solution
- Step 1: Write the proportion equation
190,327.74 : 284,888.97 = 133,906.38 : x - Step 2: Convert to fraction form
190,327.74/284,888.97 = 133,906.38/x - Step 3: Cross multiply
190,327.74x = 284,888.97 × 133,906.38 - Step 4: Simplify right side
190,327.74x = 38,148,450,674.63 - Step 5: Solve for x
x = 38,148,450,674.63/190,327.74 - Step 6: Final answer
x = 200,435.58
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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.