Finding the Fourth Proportional to 494,092.90, 741,183.11 and 139,109.99
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Solution
The fourth proportional to 494,092.90, 741,183.11 and 139,109.99 is: 208,677.31
Step by Step Solution
- Step 1: Write the proportion equation
494,092.90 : 741,183.11 = 139,109.99 : x - Step 2: Convert to fraction form
494,092.90/741,183.11 = 139,109.99/x - Step 3: Cross multiply
494,092.90x = 741,183.11 × 139,109.99 - Step 4: Simplify right side
494,092.90x = 103,105,975,020.27 - Step 5: Solve for x
x = 103,105,975,020.27/494,092.90 - Step 6: Final answer
x = 208,677.31
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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.