Finding the Fourth Proportional to 135,679.43, 203,528.86 and 35,838.62
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Solution
The fourth proportional to 135,679.43, 203,528.86 and 35,838.62 is: 53,760.50
Step by Step Solution
- Step 1: Write the proportion equation
135,679.43 : 203,528.86 = 35,838.62 : x - Step 2: Convert to fraction form
135,679.43/203,528.86 = 35,838.62/x - Step 3: Cross multiply
135,679.43x = 203,528.86 × 35,838.62 - Step 4: Simplify right side
135,679.43x = 7,294,193,472.57 - Step 5: Solve for x
x = 7,294,193,472.57/135,679.43 - Step 6: Final answer
x = 53,760.50
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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.