Finding the Fourth Proportional to 434,099.05, 651,173.19 and 134,622.21
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Solution
The fourth proportional to 434,099.05, 651,173.19 and 134,622.21 is: 201,940.95
Step by Step Solution
- Step 1: Write the proportion equation
434,099.05 : 651,173.19 = 134,622.21 : x - Step 2: Convert to fraction form
434,099.05/651,173.19 = 134,622.21/x - Step 3: Cross multiply
434,099.05x = 651,173.19 × 134,622.21 - Step 4: Simplify right side
434,099.05x = 87,662,373,930.55 - Step 5: Solve for x
x = 87,662,373,930.55/434,099.05 - Step 6: Final answer
x = 201,940.95
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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.