Finding the Fourth Proportional to 216,035.40, 324,053.10 and 202,902.60
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Solution
The fourth proportional to 216,035.40, 324,053.10 and 202,902.60 is: 304,353.90
Step by Step Solution
- Step 1: Write the proportion equation
216,035.40 : 324,053.10 = 202,902.60 : x - Step 2: Convert to fraction form
216,035.40/324,053.10 = 202,902.60/x - Step 3: Cross multiply
216,035.40x = 324,053.10 × 202,902.60 - Step 4: Simplify right side
216,035.40x = 65,751,216,528.06 - Step 5: Solve for x
x = 65,751,216,528.06/216,035.40 - Step 6: Final answer
x = 304,353.90
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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.