Finding the Fourth Proportional to 382,207.80, 573,311.70 and 256,236.60
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Solution
The fourth proportional to 382,207.80, 573,311.70 and 256,236.60 is: 384,354.90
Step by Step Solution
- Step 1: Write the proportion equation
382,207.80 : 573,311.70 = 256,236.60 : x - Step 2: Convert to fraction form
382,207.80/573,311.70 = 256,236.60/x - Step 3: Cross multiply
382,207.80x = 573,311.70 × 256,236.60 - Step 4: Simplify right side
382,207.80x = 146,903,440,748.22 - Step 5: Solve for x
x = 146,903,440,748.22/382,207.80 - Step 6: Final answer
x = 384,354.90
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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.