Finding the Fourth Proportional to 145,927.22, 218,891.43 and 40,745.88
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Solution
The fourth proportional to 145,927.22, 218,891.43 and 40,745.88 is: 61,118.99
Step by Step Solution
- Step 1: Write the proportion equation
145,927.22 : 218,891.43 = 40,745.88 : x - Step 2: Convert to fraction form
145,927.22/218,891.43 = 40,745.88/x - Step 3: Cross multiply
145,927.22x = 218,891.43 × 40,745.88 - Step 4: Simplify right side
145,927.22x = 8,918,923,939.81 - Step 5: Solve for x
x = 8,918,923,939.81/145,927.22 - Step 6: Final answer
x = 61,118.99
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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.