Finding the Fourth Proportional to 201,802.75, 302,704.50 and 189,471.66
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Solution
The fourth proportional to 201,802.75, 302,704.50 and 189,471.66 is: 284,207.84
Step by Step Solution
- Step 1: Write the proportion equation
201,802.75 : 302,704.50 = 189,471.66 : x - Step 2: Convert to fraction form
201,802.75/302,704.50 = 189,471.66/x - Step 3: Cross multiply
201,802.75x = 302,704.50 × 189,471.66 - Step 4: Simplify right side
201,802.75x = 57,353,924,104.47 - Step 5: Solve for x
x = 57,353,924,104.47/201,802.75 - Step 6: Final answer
x = 284,207.84
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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.