Finding the Fourth Proportional to 335,802.84, 503,583.26 and 111,121.80
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Solution
The fourth proportional to 335,802.84, 503,583.26 and 111,121.80 is: 166,642.66
Step by Step Solution
- Step 1: Write the proportion equation
335,802.84 : 503,583.26 = 111,121.80 : x - Step 2: Convert to fraction form
335,802.84/503,583.26 = 111,121.80/x - Step 3: Cross multiply
335,802.84x = 503,583.26 × 111,121.80 - Step 4: Simplify right side
335,802.84x = 55,959,078,301.07 - Step 5: Solve for x
x = 55,959,078,301.07/335,802.84 - Step 6: Final answer
x = 166,642.66
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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.