Finding the Fourth Proportional to 424,843.22, 637,707.68 and 188,351.98
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Solution
The fourth proportional to 424,843.22, 637,707.68 and 188,351.98 is: 282,724.31
Step by Step Solution
- Step 1: Write the proportion equation
424,843.22 : 637,707.68 = 188,351.98 : x - Step 2: Convert to fraction form
424,843.22/637,707.68 = 188,351.98/x - Step 3: Cross multiply
424,843.22x = 637,707.68 × 188,351.98 - Step 4: Simplify right side
424,843.22x = 120,113,504,189.21 - Step 5: Solve for x
x = 120,113,504,189.21/424,843.22 - Step 6: Final answer
x = 282,724.31
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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.