Finding the Fourth Proportional to 263,466.70, 395,200.05 and 121,311.70
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Solution
The fourth proportional to 263,466.70, 395,200.05 and 121,311.70 is: 181,967.55
Step by Step Solution
- Step 1: Write the proportion equation
263,466.70 : 395,200.05 = 121,311.70 : x - Step 2: Convert to fraction form
263,466.70/395,200.05 = 121,311.70/x - Step 3: Cross multiply
263,466.70x = 395,200.05 × 121,311.70 - Step 4: Simplify right side
263,466.70x = 47,942,389,905.59 - Step 5: Solve for x
x = 47,942,389,905.59/263,466.70 - Step 6: Final answer
x = 181,967.55
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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.