Finding the Fourth Proportional to 201,207.74, 301,578.33 and 189,543.74
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Solution
The fourth proportional to 201,207.74, 301,578.33 and 189,543.74 is: 284,095.85
Step by Step Solution
- Step 1: Write the proportion equation
201,207.74 : 301,578.33 = 189,543.74 : x - Step 2: Convert to fraction form
201,207.74/301,578.33 = 189,543.74/x - Step 3: Cross multiply
201,207.74x = 301,578.33 × 189,543.74 - Step 4: Simplify right side
201,207.74x = 57,162,284,571.15 - Step 5: Solve for x
x = 57,162,284,571.15/201,207.74 - Step 6: Final answer
x = 284,095.85
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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.