Finding the Fourth Proportional to 424,450.73, 585,984.10 and 281,404.53
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Solution
The fourth proportional to 424,450.73, 585,984.10 and 281,404.53 is: 388,498.75
Step by Step Solution
- Step 1: Write the proportion equation
424,450.73 : 585,984.10 = 281,404.53 : x - Step 2: Convert to fraction form
424,450.73/585,984.10 = 281,404.53/x - Step 3: Cross multiply
424,450.73x = 585,984.10 × 281,404.53 - Step 4: Simplify right side
424,450.73x = 164,898,578,021.56 - Step 5: Solve for x
x = 164,898,578,021.56/424,450.73 - Step 6: Final answer
x = 388,498.75
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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.