Finding the Fourth Proportional to 199,197.67, 274,884.79 and 108,551.70
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Solution
The fourth proportional to 199,197.67, 274,884.79 and 108,551.70 is: 149,796.99
Step by Step Solution
- Step 1: Write the proportion equation
199,197.67 : 274,884.79 = 108,551.70 : x - Step 2: Convert to fraction form
199,197.67/274,884.79 = 108,551.70/x - Step 3: Cross multiply
199,197.67x = 274,884.79 × 108,551.70 - Step 4: Simplify right side
199,197.67x = 29,839,211,620.45 - Step 5: Solve for x
x = 29,839,211,620.45/199,197.67 - Step 6: Final answer
x = 149,796.99
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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.