Finding the Fourth Proportional to 202,212.70, 303,319.05 and 199,102.30
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Solution
The fourth proportional to 202,212.70, 303,319.05 and 199,102.30 is: 298,653.45
Step by Step Solution
- Step 1: Write the proportion equation
202,212.70 : 303,319.05 = 199,102.30 : x - Step 2: Convert to fraction form
202,212.70/303,319.05 = 199,102.30/x - Step 3: Cross multiply
202,212.70x = 303,319.05 × 199,102.30 - Step 4: Simplify right side
202,212.70x = 60,391,520,488.82 - Step 5: Solve for x
x = 60,391,520,488.82/202,212.70 - Step 6: Final answer
x = 298,653.45
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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.