Finding the Fourth Proportional to 198,601.02, 274,074.74 and 107,963.07
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Solution
The fourth proportional to 198,601.02, 274,074.74 and 107,963.07 is: 148,991.94
Step by Step Solution
- Step 1: Write the proportion equation
198,601.02 : 274,074.74 = 107,963.07 : x - Step 2: Convert to fraction form
198,601.02/274,074.74 = 107,963.07/x - Step 3: Cross multiply
198,601.02x = 274,074.74 × 107,963.07 - Step 4: Simplify right side
198,601.02x = 29,589,950,339.85 - Step 5: Solve for x
x = 29,589,950,339.85/198,601.02 - Step 6: Final answer
x = 148,991.94
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1.5x scale
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.