Finding the Fourth Proportional to 181,562.20, 250,552.23 and 100,987.99
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Solution
The fourth proportional to 181,562.20, 250,552.23 and 100,987.99 is: 139,361.42
Step by Step Solution
- Step 1: Write the proportion equation
181,562.20 : 250,552.23 = 100,987.99 : x - Step 2: Convert to fraction form
181,562.20/250,552.23 = 100,987.99/x - Step 3: Cross multiply
181,562.20x = 250,552.23 × 100,987.99 - Step 4: Simplify right side
181,562.20x = 25,302,766,097.72 - Step 5: Solve for x
x = 25,302,766,097.72/181,562.20 - Step 6: Final answer
x = 139,361.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.