Finding the Fourth Proportional to 198,845.05, 274,315.50 and 118,226.76
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Solution
The fourth proportional to 198,845.05, 274,315.50 and 118,226.76 is: 163,099.02
Step by Step Solution
- Step 1: Write the proportion equation
198,845.05 : 274,315.50 = 118,226.76 : x - Step 2: Convert to fraction form
198,845.05/274,315.50 = 118,226.76/x - Step 3: Cross multiply
198,845.05x = 274,315.50 × 118,226.76 - Step 4: Simplify right side
198,845.05x = 32,431,432,782.78 - Step 5: Solve for x
x = 32,431,432,782.78/198,845.05 - Step 6: Final answer
x = 163,099.02
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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.