Finding the Fourth Proportional to 393,629.88, 543,193.56 and 232,536.66
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Solution
The fourth proportional to 393,629.88, 543,193.56 and 232,536.66 is: 320,891.33
Step by Step Solution
- Step 1: Write the proportion equation
393,629.88 : 543,193.56 = 232,536.66 : x - Step 2: Convert to fraction form
393,629.88/543,193.56 = 232,536.66/x - Step 3: Cross multiply
393,629.88x = 543,193.56 × 232,536.66 - Step 4: Simplify right side
393,629.88x = 126,312,416,175.91 - Step 5: Solve for x
x = 126,312,416,175.91/393,629.88 - Step 6: Final answer
x = 320,891.33
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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.