Finding the Fourth Proportional to 218,118.49, 327,177.12 and 68,359.41
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Solution
The fourth proportional to 218,118.49, 327,177.12 and 68,359.41 is: 102,538.92
Step by Step Solution
- Step 1: Write the proportion equation
218,118.49 : 327,177.12 = 68,359.41 : x - Step 2: Convert to fraction form
218,118.49/327,177.12 = 68,359.41/x - Step 3: Cross multiply
218,118.49x = 327,177.12 × 68,359.41 - Step 4: Simplify right side
218,118.49x = 22,365,635,145.05 - Step 5: Solve for x
x = 22,365,635,145.05/218,118.49 - Step 6: Final answer
x = 102,538.92
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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.