Finding the Fourth Proportional to 202,223.70, 303,400.35 and 135,738.90
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Solution
The fourth proportional to 202,223.70, 303,400.35 and 135,738.90 is: 203,651.85
Step by Step Solution
- Step 1: Write the proportion equation
202,223.70 : 303,400.35 = 135,738.90 : x - Step 2: Convert to fraction form
202,223.70/303,400.35 = 135,738.90/x - Step 3: Cross multiply
202,223.70x = 303,400.35 × 135,738.90 - Step 4: Simplify right side
202,223.70x = 41,183,229,768.62 - Step 5: Solve for x
x = 41,183,229,768.62/202,223.70 - Step 6: Final answer
x = 203,651.85
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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.