Finding the Fourth Proportional to 98,792.40, 148,183.37 and 27,719.98
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Solution
The fourth proportional to 98,792.40, 148,183.37 and 27,719.98 is: 41,578.50
Step by Step Solution
- Step 1: Write the proportion equation
98,792.40 : 148,183.37 = 27,719.98 : x - Step 2: Convert to fraction form
98,792.40/148,183.37 = 27,719.98/x - Step 3: Cross multiply
98,792.40x = 148,183.37 × 27,719.98 - Step 4: Simplify right side
98,792.40x = 4,107,639,914.13 - Step 5: Solve for x
x = 4,107,639,914.13/98,792.40 - Step 6: Final answer
x = 41,578.50
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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.