Finding the Fourth Proportional to 164,589.66, 227,071.11 and 121,672.19
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Solution
The fourth proportional to 164,589.66, 227,071.11 and 121,672.19 is: 167,861.33
Step by Step Solution
- Step 1: Write the proportion equation
164,589.66 : 227,071.11 = 121,672.19 : x - Step 2: Convert to fraction form
164,589.66/227,071.11 = 121,672.19/x - Step 3: Cross multiply
164,589.66x = 227,071.11 × 121,672.19 - Step 4: Simplify right side
164,589.66x = 27,628,239,239.43 - Step 5: Solve for x
x = 27,628,239,239.43/164,589.66 - Step 6: Final answer
x = 167,861.33
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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.