Finding the Fourth Proportional to 194,474.05, 291,594.39 and 76,004.26
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Solution
The fourth proportional to 194,474.05, 291,594.39 and 76,004.26 is: 113,960.79
Step by Step Solution
- Step 1: Write the proportion equation
194,474.05 : 291,594.39 = 76,004.26 : x - Step 2: Convert to fraction form
194,474.05/291,594.39 = 76,004.26/x - Step 3: Cross multiply
194,474.05x = 291,594.39 × 76,004.26 - Step 4: Simplify right side
194,474.05x = 22,162,415,832.10 - Step 5: Solve for x
x = 22,162,415,832.10/194,474.05 - Step 6: Final answer
x = 113,960.79
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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.