Finding the Fourth Proportional to 135,260.80, 202,891.20 and 73,052.80
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Solution
The fourth proportional to 135,260.80, 202,891.20 and 73,052.80 is: 109,579.20
Step by Step Solution
- Step 1: Write the proportion equation
135,260.80 : 202,891.20 = 73,052.80 : x - Step 2: Convert to fraction form
135,260.80/202,891.20 = 73,052.80/x - Step 3: Cross multiply
135,260.80x = 202,891.20 × 73,052.80 - Step 4: Simplify right side
135,260.80x = 14,821,770,255.36 - Step 5: Solve for x
x = 14,821,770,255.36/135,260.80 - Step 6: Final answer
x = 109,579.20
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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.