Finding the Fourth Proportional to 383,240.26, 528,912.93 and 211,175.53
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Solution
The fourth proportional to 383,240.26, 528,912.93 and 211,175.53 is: 291,445.03
Step by Step Solution
- Step 1: Write the proportion equation
383,240.26 : 528,912.93 = 211,175.53 : x - Step 2: Convert to fraction form
383,240.26/528,912.93 = 211,175.53/x - Step 3: Cross multiply
383,240.26x = 528,912.93 × 211,175.53 - Step 4: Simplify right side
383,240.26x = 111,693,467,788.97 - Step 5: Solve for x
x = 111,693,467,788.97/383,240.26 - Step 6: Final answer
x = 291,445.03
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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.