Finding the Fourth Proportional to 664,486.10, 996,874.95 and 215,227.70
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Solution
The fourth proportional to 664,486.10, 996,874.95 and 215,227.70 is: 322,888.77
Step by Step Solution
- Step 1: Write the proportion equation
664,486.10 : 996,874.95 = 215,227.70 : x - Step 2: Convert to fraction form
664,486.10/996,874.95 = 215,227.70/x - Step 3: Cross multiply
664,486.10x = 996,874.95 × 215,227.70 - Step 4: Simplify right side
664,486.10x = 214,555,102,676.12 - Step 5: Solve for x
x = 214,555,102,676.12/664,486.10 - Step 6: Final answer
x = 322,888.77
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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.