Finding the Fourth Proportional to 178,912.53, 268,401.60 and 73,674.09
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Solution
The fourth proportional to 178,912.53, 268,401.60 and 73,674.09 is: 110,524.64
Step by Step Solution
- Step 1: Write the proportion equation
178,912.53 : 268,401.60 = 73,674.09 : x - Step 2: Convert to fraction form
178,912.53/268,401.60 = 73,674.09/x - Step 3: Cross multiply
178,912.53x = 268,401.60 × 73,674.09 - Step 4: Simplify right side
178,912.53x = 19,774,243,634.54 - Step 5: Solve for x
x = 19,774,243,634.54/178,912.53 - Step 6: Final answer
x = 110,524.64
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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.