Finding the Fourth Proportional to 170,967.67, 235,946.57 and 113,517.05
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Solution
The fourth proportional to 170,967.67, 235,946.57 and 113,517.05 is: 156,660.95
Step by Step Solution
- Step 1: Write the proportion equation
170,967.67 : 235,946.57 = 113,517.05 : x - Step 2: Convert to fraction form
170,967.67/235,946.57 = 113,517.05/x - Step 3: Cross multiply
170,967.67x = 235,946.57 × 113,517.05 - Step 4: Simplify right side
170,967.67x = 26,783,956,836.70 - Step 5: Solve for x
x = 26,783,956,836.70/170,967.67 - Step 6: Final answer
x = 156,660.95
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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.