Finding the Fourth Proportional to 161,628.44, 242,525.70 and 71,732.75
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Solution
The fourth proportional to 161,628.44, 242,525.70 and 71,732.75 is: 107,635.98
Step by Step Solution
- Step 1: Write the proportion equation
161,628.44 : 242,525.70 = 71,732.75 : x - Step 2: Convert to fraction form
161,628.44/242,525.70 = 71,732.75/x - Step 3: Cross multiply
161,628.44x = 242,525.70 × 71,732.75 - Step 4: Simplify right side
161,628.44x = 17,397,034,194.05 - Step 5: Solve for x
x = 17,397,034,194.05/161,628.44 - Step 6: Final answer
x = 107,635.98
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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.