Finding the Fourth Proportional to 97,694.68, 146,540.42 and 31,133.92
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Solution
The fourth proportional to 97,694.68, 146,540.42 and 31,133.92 is: 46,700.37
Step by Step Solution
- Step 1: Write the proportion equation
97,694.68 : 146,540.42 = 31,133.92 : x - Step 2: Convert to fraction form
97,694.68/146,540.42 = 31,133.92/x - Step 3: Cross multiply
97,694.68x = 146,540.42 × 31,133.92 - Step 4: Simplify right side
97,694.68x = 4,562,377,713.05 - Step 5: Solve for x
x = 4,562,377,713.05/97,694.68 - Step 6: Final answer
x = 46,700.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.