Finding the Fourth Proportional to 664,115.40, 996,173.10 and 264,817.80
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Solution
The fourth proportional to 664,115.40, 996,173.10 and 264,817.80 is: 397,226.70
Step by Step Solution
- Step 1: Write the proportion equation
664,115.40 : 996,173.10 = 264,817.80 : x - Step 2: Convert to fraction form
664,115.40/996,173.10 = 264,817.80/x - Step 3: Cross multiply
664,115.40x = 996,173.10 × 264,817.80 - Step 4: Simplify right side
664,115.40x = 263,804,368,761.18 - Step 5: Solve for x
x = 263,804,368,761.18/664,115.40 - Step 6: Final answer
x = 397,226.70
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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.