Finding the Fourth Proportional to 341,723.75, 512,585.63 and 92,405.75
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Solution
The fourth proportional to 341,723.75, 512,585.63 and 92,405.75 is: 138,608.63
Step by Step Solution
- Step 1: Write the proportion equation
341,723.75 : 512,585.63 = 92,405.75 : x - Step 2: Convert to fraction form
341,723.75/512,585.63 = 92,405.75/x - Step 3: Cross multiply
341,723.75x = 512,585.63 × 92,405.75 - Step 4: Simplify right side
341,723.75x = 47,365,859,579.37 - Step 5: Solve for x
x = 47,365,859,579.37/341,723.75 - Step 6: Final answer
x = 138,608.63
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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.