Finding the Fourth Proportional to 198,965.14, 274,576.82 and 108,326.08
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Solution
The fourth proportional to 198,965.14, 274,576.82 and 108,326.08 is: 149,492.67
Step by Step Solution
- Step 1: Write the proportion equation
198,965.14 : 274,576.82 = 108,326.08 : x - Step 2: Convert to fraction form
198,965.14/274,576.82 = 108,326.08/x - Step 3: Cross multiply
198,965.14x = 274,576.82 × 108,326.08 - Step 4: Simplify right side
198,965.14x = 29,743,829,892.90 - Step 5: Solve for x
x = 29,743,829,892.90/198,965.14 - Step 6: Final answer
x = 149,492.67
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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.