Finding the Fourth Proportional to 664,704.63, 996,843.70 and 215,317.15
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Solution
The fourth proportional to 664,704.63, 996,843.70 and 215,317.15 is: 322,906.65
Step by Step Solution
- Step 1: Write the proportion equation
664,704.63 : 996,843.70 = 215,317.15 : x - Step 2: Convert to fraction form
664,704.63/996,843.70 = 215,317.15/x - Step 3: Cross multiply
664,704.63x = 996,843.70 × 215,317.15 - Step 4: Simplify right side
664,704.63x = 214,637,544,479.46 - Step 5: Solve for x
x = 214,637,544,479.46/664,704.63 - Step 6: Final answer
x = 322,906.65
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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.