Finding the Fourth Proportional to 146,099.09, 201,616.90 and 82,442.81
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Solution
The fourth proportional to 146,099.09, 201,616.90 and 82,442.81 is: 113,771.17
Step by Step Solution
- Step 1: Write the proportion equation
146,099.09 : 201,616.90 = 82,442.81 : x - Step 2: Convert to fraction form
146,099.09/201,616.90 = 82,442.81/x - Step 3: Cross multiply
146,099.09x = 201,616.90 × 82,442.81 - Step 4: Simplify right side
146,099.09x = 16,621,864,077.42 - Step 5: Solve for x
x = 16,621,864,077.42/146,099.09 - Step 6: Final answer
x = 113,771.17
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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.