Finding the Fourth Proportional to 181,926.53, 272,918.96 and 76,760.99
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Solution
The fourth proportional to 181,926.53, 272,918.96 and 76,760.99 is: 115,153.79
Step by Step Solution
- Step 1: Write the proportion equation
181,926.53 : 272,918.96 = 76,760.99 : x - Step 2: Convert to fraction form
181,926.53/272,918.96 = 76,760.99/x - Step 3: Cross multiply
181,926.53x = 272,918.96 × 76,760.99 - Step 4: Simplify right side
181,926.53x = 20,949,528,493.27 - Step 5: Solve for x
x = 20,949,528,493.27/181,926.53 - Step 6: Final answer
x = 115,153.79
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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.