Finding the Fourth Proportional to 198,795.99, 274,339.12 and 108,151.93
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Solution
The fourth proportional to 198,795.99, 274,339.12 and 108,151.93 is: 149,250.02
Step by Step Solution
- Step 1: Write the proportion equation
198,795.99 : 274,339.12 = 108,151.93 : x - Step 2: Convert to fraction form
198,795.99/274,339.12 = 108,151.93/x - Step 3: Cross multiply
198,795.99x = 274,339.12 × 108,151.93 - Step 4: Simplify right side
198,795.99x = 29,670,306,064.24 - Step 5: Solve for x
x = 29,670,306,064.24/198,795.99 - Step 6: Final answer
x = 149,250.02
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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.