Finding the Fourth Proportional to 199,189.09, 274,877.52 and 108,545.84
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Solution
The fourth proportional to 199,189.09, 274,877.52 and 108,545.84 is: 149,791.39
Step by Step Solution
- Step 1: Write the proportion equation
199,189.09 : 274,877.52 = 108,545.84 : x - Step 2: Convert to fraction form
199,189.09/274,877.52 = 108,545.84/x - Step 3: Cross multiply
199,189.09x = 274,877.52 × 108,545.84 - Step 4: Simplify right side
199,189.09x = 29,836,810,338.18 - Step 5: Solve for x
x = 29,836,810,338.18/199,189.09 - Step 6: Final answer
x = 149,791.39
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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.