Finding the Fourth Proportional to 248,379.93, 342,770.99 and 135,207.45
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Solution
The fourth proportional to 248,379.93, 342,770.99 and 135,207.45 is: 186,589.92
Step by Step Solution
- Step 1: Write the proportion equation
248,379.93 : 342,770.99 = 135,207.45 : x - Step 2: Convert to fraction form
248,379.93/342,770.99 = 135,207.45/x - Step 3: Cross multiply
248,379.93x = 342,770.99 × 135,207.45 - Step 4: Simplify right side
248,379.93x = 46,345,190,815.84 - Step 5: Solve for x
x = 46,345,190,815.84/248,379.93 - Step 6: Final answer
x = 186,589.92
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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.