Finding the Fourth Proportional to 252,720.36, 348,744.96 and 139,540.68
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Solution
The fourth proportional to 252,720.36, 348,744.96 and 139,540.68 is: 192,561.09
Step by Step Solution
- Step 1: Write the proportion equation
252,720.36 : 348,744.96 = 139,540.68 : x - Step 2: Convert to fraction form
252,720.36/348,744.96 = 139,540.68/x - Step 3: Cross multiply
252,720.36x = 348,744.96 × 139,540.68 - Step 4: Simplify right side
252,720.36x = 48,664,108,864.97 - Step 5: Solve for x
x = 48,664,108,864.97/252,720.36 - Step 6: Final answer
x = 192,561.09
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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.