Finding the Fourth Proportional to 252,492.75, 348,447.29 and 139,322.79
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Solution
The fourth proportional to 252,492.75, 348,447.29 and 139,322.79 is: 192,269.47
Step by Step Solution
- Step 1: Write the proportion equation
252,492.75 : 348,447.29 = 139,322.79 : x - Step 2: Convert to fraction form
252,492.75/348,447.29 = 139,322.79/x - Step 3: Cross multiply
252,492.75x = 348,447.29 × 139,322.79 - Step 4: Simplify right side
252,492.75x = 48,546,647,914.13 - Step 5: Solve for x
x = 48,546,647,914.13/252,492.75 - Step 6: Final answer
x = 192,269.47
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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.