Finding the Fourth Proportional to 202,662.74, 279,674.88 and 122,093.66
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Solution
The fourth proportional to 202,662.74, 279,674.88 and 122,093.66 is: 168,489.43
Step by Step Solution
- Step 1: Write the proportion equation
202,662.74 : 279,674.88 = 122,093.66 : x - Step 2: Convert to fraction form
202,662.74/279,674.88 = 122,093.66/x - Step 3: Cross multiply
202,662.74x = 279,674.88 × 122,093.66 - Step 4: Simplify right side
202,662.74x = 34,146,529,709.26 - Step 5: Solve for x
x = 34,146,529,709.26/202,662.74 - Step 6: Final answer
x = 168,489.43
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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.