Finding the Fourth Proportional to 664,470.10, 996,850.95 and 215,211.70
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Solution
The fourth proportional to 664,470.10, 996,850.95 and 215,211.70 is: 322,864.77
Step by Step Solution
- Step 1: Write the proportion equation
664,470.10 : 996,850.95 = 215,211.70 : x - Step 2: Convert to fraction form
664,470.10/996,850.95 = 215,211.70/x - Step 3: Cross multiply
664,470.10x = 996,850.95 × 215,211.70 - Step 4: Simplify right side
664,470.10x = 214,533,987,596.12 - Step 5: Solve for x
x = 214,533,987,596.12/664,470.10 - Step 6: Final answer
x = 322,864.77
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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.