Finding the Fourth Proportional to 198,571.82, 274,030.94 and 107,927.99
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Solution
The fourth proportional to 198,571.82, 274,030.94 and 107,927.99 is: 148,941.61
Step by Step Solution
- Step 1: Write the proportion equation
198,571.82 : 274,030.94 = 107,927.99 : x - Step 2: Convert to fraction form
198,571.82/274,030.94 = 107,927.99/x - Step 3: Cross multiply
198,571.82x = 274,030.94 × 107,927.99 - Step 4: Simplify right side
198,571.82x = 29,575,606,642.22 - Step 5: Solve for x
x = 29,575,606,642.22/198,571.82 - Step 6: Final answer
x = 148,941.61
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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.