Finding the Fourth Proportional to 198,226.38, 273,554.40 and 107,583.12
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Solution
The fourth proportional to 198,226.38, 273,554.40 and 107,583.12 is: 148,465.79
Step by Step Solution
- Step 1: Write the proportion equation
198,226.38 : 273,554.40 = 107,583.12 : x - Step 2: Convert to fraction form
198,226.38/273,554.40 = 107,583.12/x - Step 3: Cross multiply
198,226.38x = 273,554.40 × 107,583.12 - Step 4: Simplify right side
198,226.38x = 29,429,835,841.73 - Step 5: Solve for x
x = 29,429,835,841.73/198,226.38 - Step 6: Final answer
x = 148,465.79
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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.