Finding the Fourth Proportional to 202,843.68, 303,832.08 and 164,721.12
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Solution
The fourth proportional to 202,843.68, 303,832.08 and 164,721.12 is: 246,729.70
Step by Step Solution
- Step 1: Write the proportion equation
202,843.68 : 303,832.08 = 164,721.12 : x - Step 2: Convert to fraction form
202,843.68/303,832.08 = 164,721.12/x - Step 3: Cross multiply
202,843.68x = 303,832.08 × 164,721.12 - Step 4: Simplify right side
202,843.68x = 50,047,560,509.53 - Step 5: Solve for x
x = 50,047,560,509.53/202,843.68 - Step 6: Final answer
x = 246,729.70
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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.