Finding the Fourth Proportional to 317,523.26, 438,187.74 and 174,296.62
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Solution
The fourth proportional to 317,523.26, 438,187.74 and 174,296.62 is: 240,532.43
Step by Step Solution
- Step 1: Write the proportion equation
317,523.26 : 438,187.74 = 174,296.62 : x - Step 2: Convert to fraction form
317,523.26/438,187.74 = 174,296.62/x - Step 3: Cross multiply
317,523.26x = 438,187.74 × 174,296.62 - Step 4: Simplify right side
317,523.26x = 76,374,642,007.44 - Step 5: Solve for x
x = 76,374,642,007.44/317,523.26 - Step 6: Final answer
x = 240,532.43
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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.