Finding the Fourth Proportional to 198,807.62, 274,434.48 and 135,184.14
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Solution
The fourth proportional to 198,807.62, 274,434.48 and 135,184.14 is: 186,608.49
Step by Step Solution
- Step 1: Write the proportion equation
198,807.62 : 274,434.48 = 135,184.14 : x - Step 2: Convert to fraction form
198,807.62/274,434.48 = 135,184.14/x - Step 3: Cross multiply
198,807.62x = 274,434.48 × 135,184.14 - Step 4: Simplify right side
198,807.62x = 37,099,189,165.15 - Step 5: Solve for x
x = 37,099,189,165.15/198,807.62 - Step 6: Final answer
x = 186,608.49
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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.