Finding the Fourth Proportional to 382,197.80, 573,296.70 and 256,226.60
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Solution
The fourth proportional to 382,197.80, 573,296.70 and 256,226.60 is: 384,339.90
Step by Step Solution
- Step 1: Write the proportion equation
382,197.80 : 573,296.70 = 256,226.60 : x - Step 2: Convert to fraction form
382,197.80/573,296.70 = 256,226.60/x - Step 3: Cross multiply
382,197.80x = 573,296.70 × 256,226.60 - Step 4: Simplify right side
382,197.80x = 146,893,864,232.22 - Step 5: Solve for x
x = 146,893,864,232.22/382,197.80 - Step 6: Final answer
x = 384,339.90
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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.