Finding the Fourth Proportional to 146,815.49, 202,622.18 and 82,302.15
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Solution
The fourth proportional to 146,815.49, 202,622.18 and 82,302.15 is: 113,586.39
Step by Step Solution
- Step 1: Write the proportion equation
146,815.49 : 202,622.18 = 82,302.15 : x - Step 2: Convert to fraction form
146,815.49/202,622.18 = 82,302.15/x - Step 3: Cross multiply
146,815.49x = 202,622.18 × 82,302.15 - Step 4: Simplify right side
146,815.49x = 16,676,241,051.69 - Step 5: Solve for x
x = 16,676,241,051.69/146,815.49 - Step 6: Final answer
x = 113,586.39
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1.5x scale
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.