Finding the Fourth Proportional to 271,527.36, 407,126.72 and 121,739.84
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Solution
The fourth proportional to 271,527.36, 407,126.72 and 121,739.84 is: 182,536.09
Step by Step Solution
- Step 1: Write the proportion equation
271,527.36 : 407,126.72 = 121,739.84 : x - Step 2: Convert to fraction form
271,527.36/407,126.72 = 121,739.84/x - Step 3: Cross multiply
271,527.36x = 407,126.72 × 121,739.84 - Step 4: Simplify right side
271,527.36x = 49,563,541,752.52 - Step 5: Solve for x
x = 49,563,541,752.52/271,527.36 - Step 6: Final answer
x = 182,536.09
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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.