Finding the Fourth Proportional to 135,626.26, 203,439.40 and 52,520.26
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Solution
The fourth proportional to 135,626.26, 203,439.40 and 52,520.26 is: 78,780.39
Step by Step Solution
- Step 1: Write the proportion equation
135,626.26 : 203,439.40 = 52,520.26 : x - Step 2: Convert to fraction form
135,626.26/203,439.40 = 52,520.26/x - Step 3: Cross multiply
135,626.26x = 203,439.40 × 52,520.26 - Step 4: Simplify right side
135,626.26x = 10,684,690,182.24 - Step 5: Solve for x
x = 10,684,690,182.24/135,626.26 - Step 6: Final answer
x = 78,780.39
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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.