Finding the Fourth Proportional to 146,496.75, 202,165.52 and 79,428.75
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Solution
The fourth proportional to 146,496.75, 202,165.52 and 79,428.75 is: 109,611.68
Step by Step Solution
- Step 1: Write the proportion equation
146,496.75 : 202,165.52 = 79,428.75 : x - Step 2: Convert to fraction form
146,496.75/202,165.52 = 79,428.75/x - Step 3: Cross multiply
146,496.75x = 202,165.52 × 79,428.75 - Step 4: Simplify right side
146,496.75x = 16,057,754,546.70 - Step 5: Solve for x
x = 16,057,754,546.70/146,496.75 - Step 6: Final answer
x = 109,611.68
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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.