Finding the Fourth Proportional to 115,576.40, 173,364.60 and 97,861.70
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Solution
The fourth proportional to 115,576.40, 173,364.60 and 97,861.70 is: 146,792.55
Step by Step Solution
- Step 1: Write the proportion equation
115,576.40 : 173,364.60 = 97,861.70 : x - Step 2: Convert to fraction form
115,576.40/173,364.60 = 97,861.70/x - Step 3: Cross multiply
115,576.40x = 173,364.60 × 97,861.70 - Step 4: Simplify right side
115,576.40x = 16,965,754,475.82 - Step 5: Solve for x
x = 16,965,754,475.82/115,576.40 - Step 6: Final answer
x = 146,792.55
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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.