Finding the Fourth Proportional to 194,129.84, 291,162.36 and 53,902.64
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Solution
The fourth proportional to 194,129.84, 291,162.36 and 53,902.64 is: 80,844.96
Step by Step Solution
- Step 1: Write the proportion equation
194,129.84 : 291,162.36 = 53,902.64 : x - Step 2: Convert to fraction form
194,129.84/291,162.36 = 53,902.64/x - Step 3: Cross multiply
194,129.84x = 291,162.36 × 53,902.64 - Step 4: Simplify right side
194,129.84x = 15,694,419,872.63 - Step 5: Solve for x
x = 15,694,419,872.63/194,129.84 - Step 6: Final answer
x = 80,844.96
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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.