Finding the Fourth Proportional to 179,236.62, 268,688.70 and 79,343.52
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Solution
The fourth proportional to 179,236.62, 268,688.70 and 79,343.52 is: 118,941.69
Step by Step Solution
- Step 1: Write the proportion equation
179,236.62 : 268,688.70 = 79,343.52 : x - Step 2: Convert to fraction form
179,236.62/268,688.70 = 79,343.52/x - Step 3: Cross multiply
179,236.62x = 268,688.70 × 79,343.52 - Step 4: Simplify right side
179,236.62x = 21,318,707,242.22 - Step 5: Solve for x
x = 21,318,707,242.22/179,236.62 - Step 6: Final answer
x = 118,941.69
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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.