Finding the Fourth Proportional to 206,586.94, 309,982.48 and 122,343.70
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Solution
The fourth proportional to 206,586.94, 309,982.48 and 122,343.70 is: 183,576.00
Step by Step Solution
- Step 1: Write the proportion equation
206,586.94 : 309,982.48 = 122,343.70 : x - Step 2: Convert to fraction form
206,586.94/309,982.48 = 122,343.70/x - Step 3: Cross multiply
206,586.94x = 309,982.48 × 122,343.70 - Step 4: Simplify right side
206,586.94x = 37,924,403,538.38 - Step 5: Solve for x
x = 37,924,403,538.38/206,586.94 - Step 6: Final answer
x = 183,576.00
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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.