Finding the Fourth Proportional to 122,735.80, 184,103.70 and 39,629.80
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Solution
The fourth proportional to 122,735.80, 184,103.70 and 39,629.80 is: 59,444.70
Step by Step Solution
- Step 1: Write the proportion equation
122,735.80 : 184,103.70 = 39,629.80 : x - Step 2: Convert to fraction form
122,735.80/184,103.70 = 39,629.80/x - Step 3: Cross multiply
122,735.80x = 184,103.70 × 39,629.80 - Step 4: Simplify right side
122,735.80x = 7,295,992,810.26 - Step 5: Solve for x
x = 7,295,992,810.26/122,735.80 - Step 6: Final answer
x = 59,444.70
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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.