Finding the Fourth Proportional to 363,868.88, 545,777.74 and 136,121.05
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Solution
The fourth proportional to 363,868.88, 545,777.74 and 136,121.05 is: 204,172.00
Step by Step Solution
- Step 1: Write the proportion equation
363,868.88 : 545,777.74 = 136,121.05 : x - Step 2: Convert to fraction form
363,868.88/545,777.74 = 136,121.05/x - Step 3: Cross multiply
363,868.88x = 545,777.74 × 136,121.05 - Step 4: Simplify right side
363,868.88x = 74,291,837,330.68 - Step 5: Solve for x
x = 74,291,837,330.68/363,868.88 - Step 6: Final answer
x = 204,172.00
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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.