Finding the Fourth Proportional to 248,704.84, 343,211.60 and 135,527.60
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Solution
The fourth proportional to 248,704.84, 343,211.60 and 135,527.60 is: 187,027.50
Step by Step Solution
- Step 1: Write the proportion equation
248,704.84 : 343,211.60 = 135,527.60 : x - Step 2: Convert to fraction form
248,704.84/343,211.60 = 135,527.60/x - Step 3: Cross multiply
248,704.84x = 343,211.60 × 135,527.60 - Step 4: Simplify right side
248,704.84x = 46,514,644,440.16 - Step 5: Solve for x
x = 46,514,644,440.16/248,704.84 - Step 6: Final answer
x = 187,027.50
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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.