Finding the Fourth Proportional to 131,696.18, 197,578.44 and 36,926.63
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Solution
The fourth proportional to 131,696.18, 197,578.44 and 36,926.63 is: 55,399.53
Step by Step Solution
- Step 1: Write the proportion equation
131,696.18 : 197,578.44 = 36,926.63 : x - Step 2: Convert to fraction form
131,696.18/197,578.44 = 36,926.63/x - Step 3: Cross multiply
131,696.18x = 197,578.44 × 36,926.63 - Step 4: Simplify right side
131,696.18x = 7,295,906,814.26 - Step 5: Solve for x
x = 7,295,906,814.26/131,696.18 - Step 6: Final answer
x = 55,399.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.