Finding the Fourth Proportional to 311,881.62, 467,621.29 and 122,361.14
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Solution
The fourth proportional to 311,881.62, 467,621.29 and 122,361.14 is: 183,462.80
Step by Step Solution
- Step 1: Write the proportion equation
311,881.62 : 467,621.29 = 122,361.14 : x - Step 2: Convert to fraction form
311,881.62/467,621.29 = 122,361.14/x - Step 3: Cross multiply
311,881.62x = 467,621.29 × 122,361.14 - Step 4: Simplify right side
311,881.62x = 57,218,675,026.51 - Step 5: Solve for x
x = 57,218,675,026.51/311,881.62 - Step 6: Final answer
x = 183,462.80
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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.