Finding the Fourth Proportional to 202,199.70, 303,549.15 and 127,319.70
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Solution
The fourth proportional to 202,199.70, 303,549.15 and 127,319.70 is: 191,136.72
Step by Step Solution
- Step 1: Write the proportion equation
202,199.70 : 303,549.15 = 127,319.70 : x - Step 2: Convert to fraction form
202,199.70/303,549.15 = 127,319.70/x - Step 3: Cross multiply
202,199.70x = 303,549.15 × 127,319.70 - Step 4: Simplify right side
202,199.70x = 38,647,786,713.26 - Step 5: Solve for x
x = 38,647,786,713.26/202,199.70 - Step 6: Final answer
x = 191,136.72
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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.