Finding the Fourth Proportional to 202,982.20, 304,343.70 and 84,700.60
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Solution
The fourth proportional to 202,982.20, 304,343.70 and 84,700.60 is: 126,996.82
Step by Step Solution
- Step 1: Write the proportion equation
202,982.20 : 304,343.70 = 84,700.60 : x - Step 2: Convert to fraction form
202,982.20/304,343.70 = 84,700.60/x - Step 3: Cross multiply
202,982.20x = 304,343.70 × 84,700.60 - Step 4: Simplify right side
202,982.20x = 25,778,093,996.22 - Step 5: Solve for x
x = 25,778,093,996.22/202,982.20 - Step 6: Final answer
x = 126,996.82
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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.