Finding the Fourth Proportional to 300,907.80, 450,696.12 and 122,874.96
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Solution
The fourth proportional to 300,907.80, 450,696.12 and 122,874.96 is: 184,040.65
Step by Step Solution
- Step 1: Write the proportion equation
300,907.80 : 450,696.12 = 122,874.96 : x - Step 2: Convert to fraction form
300,907.80/450,696.12 = 122,874.96/x - Step 3: Cross multiply
300,907.80x = 450,696.12 × 122,874.96 - Step 4: Simplify right side
300,907.80x = 55,379,267,717.16 - Step 5: Solve for x
x = 55,379,267,717.16/300,907.80 - Step 6: Final answer
x = 184,040.65
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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.