Finding the Fourth Proportional to 664,299.11, 996,606.84 and 215,020.05
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Solution
The fourth proportional to 664,299.11, 996,606.84 and 215,020.05 is: 322,581.28
Step by Step Solution
- Step 1: Write the proportion equation
664,299.11 : 996,606.84 = 215,020.05 : x - Step 2: Convert to fraction form
664,299.11/996,606.84 = 215,020.05/x - Step 3: Cross multiply
664,299.11x = 996,606.84 × 215,020.05 - Step 4: Simplify right side
664,299.11x = 214,290,452,567.14 - Step 5: Solve for x
x = 214,290,452,567.14/664,299.11 - Step 6: Final answer
x = 322,581.28
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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.