Finding the Fourth Proportional to 207,668.97, 286,583.30 and 112,175.66
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Solution
The fourth proportional to 207,668.97, 286,583.30 and 112,175.66 is: 154,802.48
Step by Step Solution
- Step 1: Write the proportion equation
207,668.97 : 286,583.30 = 112,175.66 : x - Step 2: Convert to fraction form
207,668.97/286,583.30 = 112,175.66/x - Step 3: Cross multiply
207,668.97x = 286,583.30 × 112,175.66 - Step 4: Simplify right side
207,668.97x = 32,147,670,822.48 - Step 5: Solve for x
x = 32,147,670,822.48/207,668.97 - Step 6: Final answer
x = 154,802.48
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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.