Finding the Fourth Proportional to 181,974.99, 272,959.25 and 76,794.87
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Solution
The fourth proportional to 181,974.99, 272,959.25 and 76,794.87 is: 115,190.94
Step by Step Solution
- Step 1: Write the proportion equation
181,974.99 : 272,959.25 = 76,794.87 : x - Step 2: Convert to fraction form
181,974.99/272,959.25 = 76,794.87/x - Step 3: Cross multiply
181,974.99x = 272,959.25 × 76,794.87 - Step 4: Simplify right side
181,974.99x = 20,961,869,735.07 - Step 5: Solve for x
x = 20,961,869,735.07/181,974.99 - Step 6: Final answer
x = 115,190.94
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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.