Finding the Fourth Proportional to 198,747.18, 273,855.87 and 134,974.26
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Solution
The fourth proportional to 198,747.18, 273,855.87 and 134,974.26 is: 185,982.48
Step by Step Solution
- Step 1: Write the proportion equation
198,747.18 : 273,855.87 = 134,974.26 : x - Step 2: Convert to fraction form
198,747.18/273,855.87 = 134,974.26/x - Step 3: Cross multiply
198,747.18x = 273,855.87 × 134,974.26 - Step 4: Simplify right side
198,747.18x = 36,963,493,399.91 - Step 5: Solve for x
x = 36,963,493,399.91/198,747.18 - Step 6: Final answer
x = 185,982.48
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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.