Finding the Fourth Proportional to 325,305.36, 448,907.04 and 189,343.44
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Solution
The fourth proportional to 325,305.36, 448,907.04 and 189,343.44 is: 261,285.59
Step by Step Solution
- Step 1: Write the proportion equation
325,305.36 : 448,907.04 = 189,343.44 : x - Step 2: Convert to fraction form
325,305.36/448,907.04 = 189,343.44/x - Step 3: Cross multiply
325,305.36x = 448,907.04 × 189,343.44 - Step 4: Simplify right side
325,305.36x = 84,997,603,193.82 - Step 5: Solve for x
x = 84,997,603,193.82/325,305.36 - Step 6: Final answer
x = 261,285.59
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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.