Finding the Fourth Proportional to 202,843.44, 279,913.32 and 112,197.96
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Solution
The fourth proportional to 202,843.44, 279,913.32 and 112,197.96 is: 154,827.31
Step by Step Solution
- Step 1: Write the proportion equation
202,843.44 : 279,913.32 = 112,197.96 : x - Step 2: Convert to fraction form
202,843.44/279,913.32 = 112,197.96/x - Step 3: Cross multiply
202,843.44x = 279,913.32 × 112,197.96 - Step 4: Simplify right side
202,843.44x = 31,405,703,480.83 - Step 5: Solve for x
x = 31,405,703,480.83/202,843.44 - Step 6: Final answer
x = 154,827.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.