Finding the Fourth Proportional to 218,409.75, 327,614.36 and 68,663.12
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Solution
The fourth proportional to 218,409.75, 327,614.36 and 68,663.12 is: 102,994.59
Step by Step Solution
- Step 1: Write the proportion equation
218,409.75 : 327,614.36 = 68,663.12 : x - Step 2: Convert to fraction form
218,409.75/327,614.36 = 68,663.12/x - Step 3: Cross multiply
218,409.75x = 327,614.36 × 68,663.12 - Step 4: Simplify right side
218,409.75x = 22,495,022,133.02 - Step 5: Solve for x
x = 22,495,022,133.02/218,409.75 - Step 6: Final answer
x = 102,994.59
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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.