Finding the Fourth Proportional to 252,272.43, 348,138.68 and 137,550.15
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Solution
The fourth proportional to 252,272.43, 348,138.68 and 137,550.15 is: 189,820.69
Step by Step Solution
- Step 1: Write the proportion equation
252,272.43 : 348,138.68 = 137,550.15 : x - Step 2: Convert to fraction form
252,272.43/348,138.68 = 137,550.15/x - Step 3: Cross multiply
252,272.43x = 348,138.68 × 137,550.15 - Step 4: Simplify right side
252,272.43x = 47,886,526,967.05 - Step 5: Solve for x
x = 47,886,526,967.05/252,272.43 - Step 6: Final answer
x = 189,820.69
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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.