Finding the Fourth Proportional to 198,883.57, 297,977.26 and 135,497.93
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Solution
The fourth proportional to 198,883.57, 297,977.26 and 135,497.93 is: 203,009.75
Step by Step Solution
- Step 1: Write the proportion equation
198,883.57 : 297,977.26 = 135,497.93 : x - Step 2: Convert to fraction form
198,883.57/297,977.26 = 135,497.93/x - Step 3: Cross multiply
198,883.57x = 297,977.26 × 135,497.93 - Step 4: Simplify right side
198,883.57x = 40,375,302,323.27 - Step 5: Solve for x
x = 40,375,302,323.27/198,883.57 - Step 6: Final answer
x = 203,009.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.