Finding the Fourth Proportional to 173,361.70, 260,042.55 and 147,117.70
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Solution
The fourth proportional to 173,361.70, 260,042.55 and 147,117.70 is: 220,676.55
Step by Step Solution
- Step 1: Write the proportion equation
173,361.70 : 260,042.55 = 147,117.70 : x - Step 2: Convert to fraction form
173,361.70/260,042.55 = 147,117.70/x - Step 3: Cross multiply
173,361.70x = 260,042.55 × 147,117.70 - Step 4: Simplify right side
173,361.70x = 38,256,861,858.14 - Step 5: Solve for x
x = 38,256,861,858.14/173,361.70 - Step 6: Final answer
x = 220,676.55
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1.5x scale
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.