Finding the Fourth Proportional to 341,721.75, 512,582.63 and 92,403.75
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Solution
The fourth proportional to 341,721.75, 512,582.63 and 92,403.75 is: 138,605.63
Step by Step Solution
- Step 1: Write the proportion equation
341,721.75 : 512,582.63 = 92,403.75 : x - Step 2: Convert to fraction form
341,721.75/512,582.63 = 92,403.75/x - Step 3: Cross multiply
341,721.75x = 512,582.63 × 92,403.75 - Step 4: Simplify right side
341,721.75x = 47,364,556,734.84 - Step 5: Solve for x
x = 47,364,556,734.84/341,721.75 - Step 6: Final answer
x = 138,605.63
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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.