Finding the Fourth Proportional to 271,529.36, 407,129.72 and 121,741.84
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Solution
The fourth proportional to 271,529.36, 407,129.72 and 121,741.84 is: 182,539.09
Step by Step Solution
- Step 1: Write the proportion equation
271,529.36 : 407,129.72 = 121,741.84 : x - Step 2: Convert to fraction form
271,529.36/407,129.72 = 121,741.84/x - Step 3: Cross multiply
271,529.36x = 407,129.72 × 121,741.84 - Step 4: Simplify right side
271,529.36x = 49,564,721,231.48 - Step 5: Solve for x
x = 49,564,721,231.48/271,529.36 - Step 6: Final answer
x = 182,539.09
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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.