Finding the Fourth Proportional to 198,701.43, 274,202.60 and 112,676.19
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Solution
The fourth proportional to 198,701.43, 274,202.60 and 112,676.19 is: 155,490.09
Step by Step Solution
- Step 1: Write the proportion equation
198,701.43 : 274,202.60 = 112,676.19 : x - Step 2: Convert to fraction form
198,701.43/274,202.60 = 112,676.19/x - Step 3: Cross multiply
198,701.43x = 274,202.60 × 112,676.19 - Step 4: Simplify right side
198,701.43x = 30,896,103,692.71 - Step 5: Solve for x
x = 30,896,103,692.71/198,701.43 - Step 6: Final answer
x = 155,490.09
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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.