Finding the Fourth Proportional to 496,485.24, 685,114.97 and 281,659.87
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Solution
The fourth proportional to 496,485.24, 685,114.97 and 281,659.87 is: 388,670.96
Step by Step Solution
- Step 1: Write the proportion equation
496,485.24 : 685,114.97 = 281,659.87 : x - Step 2: Convert to fraction form
496,485.24/685,114.97 = 281,659.87/x - Step 3: Cross multiply
496,485.24x = 685,114.97 × 281,659.87 - Step 4: Simplify right side
496,485.24x = 192,969,393,385.25 - Step 5: Solve for x
x = 192,969,393,385.25/496,485.24 - Step 6: Final answer
x = 388,670.96
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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.