Finding the Fourth Proportional to 135,768.36, 203,717.36 and 65,608.68
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Solution
The fourth proportional to 135,768.36, 203,717.36 and 65,608.68 is: 98,444.34
Step by Step Solution
- Step 1: Write the proportion equation
135,768.36 : 203,717.36 = 65,608.68 : x - Step 2: Convert to fraction form
135,768.36/203,717.36 = 65,608.68/x - Step 3: Cross multiply
135,768.36x = 203,717.36 × 65,608.68 - Step 4: Simplify right side
135,768.36x = 13,365,627,082.68 - Step 5: Solve for x
x = 13,365,627,082.68/135,768.36 - Step 6: Final answer
x = 98,444.34
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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.