Finding the Fourth Proportional to 122,855.99, 184,211.26 and 47,888.62
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Solution
The fourth proportional to 122,855.99, 184,211.26 and 47,888.62 is: 71,804.58
Step by Step Solution
- Step 1: Write the proportion equation
122,855.99 : 184,211.26 = 47,888.62 : x - Step 2: Convert to fraction form
122,855.99/184,211.26 = 47,888.62/x - Step 3: Cross multiply
122,855.99x = 184,211.26 × 47,888.62 - Step 4: Simplify right side
122,855.99x = 8,821,622,718.98 - Step 5: Solve for x
x = 8,821,622,718.98/122,855.99 - Step 6: Final answer
x = 71,804.58
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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.