Finding the Fourth Proportional to 202,514.40, 303,742.80 and 69,400.80
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Solution
The fourth proportional to 202,514.40, 303,742.80 and 69,400.80 is: 104,091.33
Step by Step Solution
- Step 1: Write the proportion equation
202,514.40 : 303,742.80 = 69,400.80 : x - Step 2: Convert to fraction form
202,514.40/303,742.80 = 69,400.80/x - Step 3: Cross multiply
202,514.40x = 303,742.80 × 69,400.80 - Step 4: Simplify right side
202,514.40x = 21,079,993,314.24 - Step 5: Solve for x
x = 21,079,993,314.24/202,514.40 - Step 6: Final answer
x = 104,091.33
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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.