Finding the Fourth Proportional to 218,412.67, 327,618.63 and 68,666.05
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Solution
The fourth proportional to 218,412.67, 327,618.63 and 68,666.05 is: 102,998.96
Step by Step Solution
- Step 1: Write the proportion equation
218,412.67 : 327,618.63 = 68,666.05 : x - Step 2: Convert to fraction form
218,412.67/327,618.63 = 68,666.05/x - Step 3: Cross multiply
218,412.67x = 327,618.63 × 68,666.05 - Step 4: Simplify right side
218,412.67x = 22,496,277,228.51 - Step 5: Solve for x
x = 22,496,277,228.51/218,412.67 - Step 6: Final answer
x = 102,998.96
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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.