Finding the Fourth Proportional to 135,152.64, 202,728.96 and 93,628.80
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Solution
The fourth proportional to 135,152.64, 202,728.96 and 93,628.80 is: 140,443.20
Step by Step Solution
- Step 1: Write the proportion equation
135,152.64 : 202,728.96 = 93,628.80 : x - Step 2: Convert to fraction form
135,152.64/202,728.96 = 93,628.80/x - Step 3: Cross multiply
135,152.64x = 202,728.96 × 93,628.80 - Step 4: Simplify right side
135,152.64x = 18,981,269,250.05 - Step 5: Solve for x
x = 18,981,269,250.05/135,152.64 - Step 6: Final answer
x = 140,443.20
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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.