Finding the Fourth Proportional to 202,191.20, 303,351.60 and 135,706.40
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Solution
The fourth proportional to 202,191.20, 303,351.60 and 135,706.40 is: 203,603.09
Step by Step Solution
- Step 1: Write the proportion equation
202,191.20 : 303,351.60 = 135,706.40 : x - Step 2: Convert to fraction form
202,191.20/303,351.60 = 135,706.40/x - Step 3: Cross multiply
202,191.20x = 303,351.60 × 135,706.40 - Step 4: Simplify right side
202,191.20x = 41,166,753,570.24 - Step 5: Solve for x
x = 41,166,753,570.24/202,191.20 - Step 6: Final answer
x = 203,603.09
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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.