Finding the Fourth Proportional to 292,451.88, 403,617.42 and 177,736.44
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Solution
The fourth proportional to 292,451.88, 403,617.42 and 177,736.44 is: 245,296.84
Step by Step Solution
- Step 1: Write the proportion equation
292,451.88 : 403,617.42 = 177,736.44 : x - Step 2: Convert to fraction form
292,451.88/403,617.42 = 177,736.44/x - Step 3: Cross multiply
292,451.88x = 403,617.42 × 177,736.44 - Step 4: Simplify right side
292,451.88x = 71,737,523,352.78 - Step 5: Solve for x
x = 71,737,523,352.78/292,451.88 - Step 6: Final answer
x = 245,296.84
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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.