Finding the Fourth Proportional to 225,410.85, 311,067.50 and 123,442.99
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Solution
The fourth proportional to 225,410.85, 311,067.50 and 123,442.99 is: 170,351.61
Step by Step Solution
- Step 1: Write the proportion equation
225,410.85 : 311,067.50 = 123,442.99 : x - Step 2: Convert to fraction form
225,410.85/311,067.50 = 123,442.99/x - Step 3: Cross multiply
225,410.85x = 311,067.50 × 123,442.99 - Step 4: Simplify right side
225,410.85x = 38,399,100,896.94 - Step 5: Solve for x
x = 38,399,100,896.94/225,410.85 - Step 6: Final answer
x = 170,351.61
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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.