Finding the Fourth Proportional to 151,685.75, 209,367.96 and 88,044.05
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Solution
The fourth proportional to 151,685.75, 209,367.96 and 88,044.05 is: 121,524.95
Step by Step Solution
- Step 1: Write the proportion equation
151,685.75 : 209,367.96 = 88,044.05 : x - Step 2: Convert to fraction form
151,685.75/209,367.96 = 88,044.05/x - Step 3: Cross multiply
151,685.75x = 209,367.96 × 88,044.05 - Step 4: Simplify right side
151,685.75x = 18,433,602,897.07 - Step 5: Solve for x
x = 18,433,602,897.07/151,685.75 - Step 6: Final answer
x = 121,524.95
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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.