Finding the Fourth Proportional to 496,723.01, 685,458.70 and 281,850.26
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Solution
The fourth proportional to 496,723.01, 685,458.70 and 281,850.26 is: 388,942.55
Step by Step Solution
- Step 1: Write the proportion equation
496,723.01 : 685,458.70 = 281,850.26 : x - Step 2: Convert to fraction form
496,723.01/685,458.70 = 281,850.26/x - Step 3: Cross multiply
496,723.01x = 685,458.70 × 281,850.26 - Step 4: Simplify right side
496,723.01x = 193,196,712,814.26 - Step 5: Solve for x
x = 193,196,712,814.26/496,723.01 - Step 6: Final answer
x = 388,942.55
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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.