Finding the Fourth Proportional to 212,832.09, 293,693.49 and 119,711.79
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Solution
The fourth proportional to 212,832.09, 293,693.49 and 119,711.79 is: 165,193.95
Step by Step Solution
- Step 1: Write the proportion equation
212,832.09 : 293,693.49 = 119,711.79 : x - Step 2: Convert to fraction form
212,832.09/293,693.49 = 119,711.79/x - Step 3: Cross multiply
212,832.09x = 293,693.49 × 119,711.79 - Step 4: Simplify right side
212,832.09x = 35,158,573,399.25 - Step 5: Solve for x
x = 35,158,573,399.25/212,832.09 - Step 6: Final answer
x = 165,193.95
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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.