Finding the Fourth Proportional to 202,939.80, 304,409.70 and 197,107.80
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Solution
The fourth proportional to 202,939.80, 304,409.70 and 197,107.80 is: 295,661.70
Step by Step Solution
- Step 1: Write the proportion equation
202,939.80 : 304,409.70 = 197,107.80 : x - Step 2: Convert to fraction form
202,939.80/304,409.70 = 197,107.80/x - Step 3: Cross multiply
202,939.80x = 304,409.70 × 197,107.80 - Step 4: Simplify right side
202,939.80x = 60,001,526,265.66 - Step 5: Solve for x
x = 60,001,526,265.66/202,939.80 - Step 6: Final answer
x = 295,661.70
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1.5x scale
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.