Finding the Fourth Proportional to 194,749.75, 268,754.72 and 105,325.75
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Solution
The fourth proportional to 194,749.75, 268,754.72 and 105,325.75 is: 145,349.57
Step by Step Solution
- Step 1: Write the proportion equation
194,749.75 : 268,754.72 = 105,325.75 : x - Step 2: Convert to fraction form
194,749.75/268,754.72 = 105,325.75/x - Step 3: Cross multiply
194,749.75x = 268,754.72 × 105,325.75 - Step 4: Simplify right side
194,749.75x = 28,306,792,450.04 - Step 5: Solve for x
x = 28,306,792,450.04/194,749.75 - Step 6: Final answer
x = 145,349.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.