Finding the Fourth Proportional to 218,412.05, 327,617.71 and 68,665.41
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Solution
The fourth proportional to 218,412.05, 327,617.71 and 68,665.41 is: 102,998.00
Step by Step Solution
- Step 1: Write the proportion equation
218,412.05 : 327,617.71 = 68,665.41 : x - Step 2: Convert to fraction form
218,412.05/327,617.71 = 68,665.41/x - Step 3: Cross multiply
218,412.05x = 327,617.71 × 68,665.41 - Step 4: Simplify right side
218,412.05x = 22,496,004,208.75 - Step 5: Solve for x
x = 22,496,004,208.75/218,412.05 - Step 6: Final answer
x = 102,998.00
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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.