Finding the Fourth Proportional to 225,596.96, 338,382.99 and 75,821.79
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Solution
The fourth proportional to 225,596.96, 338,382.99 and 75,821.79 is: 113,728.50
Step by Step Solution
- Step 1: Write the proportion equation
225,596.96 : 338,382.99 = 75,821.79 : x - Step 2: Convert to fraction form
225,596.96/338,382.99 = 75,821.79/x - Step 3: Cross multiply
225,596.96x = 338,382.99 × 75,821.79 - Step 4: Simplify right side
225,596.96x = 25,656,804,007.35 - Step 5: Solve for x
x = 25,656,804,007.35/225,596.96 - Step 6: Final answer
x = 113,728.50
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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.