Finding the Fourth Proportional to 664,207.40, 996,311.10 and 264,909.80
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Solution
The fourth proportional to 664,207.40, 996,311.10 and 264,909.80 is: 397,364.70
Step by Step Solution
- Step 1: Write the proportion equation
664,207.40 : 996,311.10 = 264,909.80 : x - Step 2: Convert to fraction form
664,207.40/996,311.10 = 264,909.80/x - Step 3: Cross multiply
664,207.40x = 996,311.10 × 264,909.80 - Step 4: Simplify right side
664,207.40x = 263,932,574,238.78 - Step 5: Solve for x
x = 263,932,574,238.78/664,207.40 - Step 6: Final answer
x = 397,364.70
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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.