Finding the Fourth Proportional to 311,250.24, 429,399.36 and 198,051.84
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Solution
The fourth proportional to 311,250.24, 429,399.36 and 198,051.84 is: 273,231.38
Step by Step Solution
- Step 1: Write the proportion equation
311,250.24 : 429,399.36 = 198,051.84 : x - Step 2: Convert to fraction form
311,250.24/429,399.36 = 198,051.84/x - Step 3: Cross multiply
311,250.24x = 429,399.36 × 198,051.84 - Step 4: Simplify right side
311,250.24x = 85,043,333,342.82 - Step 5: Solve for x
x = 85,043,333,342.82/311,250.24 - Step 6: Final answer
x = 273,231.38
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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.