Finding the Fourth Proportional to 283,979.20, 426,843.60 and 268,232.80
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Solution
The fourth proportional to 283,979.20, 426,843.60 and 268,232.80 is: 403,175.49
Step by Step Solution
- Step 1: Write the proportion equation
283,979.20 : 426,843.60 = 268,232.80 : x - Step 2: Convert to fraction form
283,979.20/426,843.60 = 268,232.80/x - Step 3: Cross multiply
283,979.20x = 426,843.60 × 268,232.80 - Step 4: Simplify right side
283,979.20x = 114,493,453,990.08 - Step 5: Solve for x
x = 114,493,453,990.08/283,979.20 - Step 6: Final answer
x = 403,175.49
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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.