Finding the Fourth Proportional to 252,007.68, 347,770.60 and 138,830.43
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Solution
The fourth proportional to 252,007.68, 347,770.60 and 138,830.43 is: 191,585.99
Step by Step Solution
- Step 1: Write the proportion equation
252,007.68 : 347,770.60 = 138,830.43 : x - Step 2: Convert to fraction form
252,007.68/347,770.60 = 138,830.43/x - Step 3: Cross multiply
252,007.68x = 347,770.60 × 138,830.43 - Step 4: Simplify right side
252,007.68x = 48,281,141,939.36 - Step 5: Solve for x
x = 48,281,141,939.36/252,007.68 - Step 6: Final answer
x = 191,585.99
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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.