Finding the Fourth Proportional to 135,968.20, 203,952.30 and 115,847.80
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Solution
The fourth proportional to 135,968.20, 203,952.30 and 115,847.80 is: 173,771.70
Step by Step Solution
- Step 1: Write the proportion equation
135,968.20 : 203,952.30 = 115,847.80 : x - Step 2: Convert to fraction form
135,968.20/203,952.30 = 115,847.80/x - Step 3: Cross multiply
135,968.20x = 203,952.30 × 115,847.80 - Step 4: Simplify right side
135,968.20x = 23,627,425,259.94 - Step 5: Solve for x
x = 23,627,425,259.94/135,968.20 - Step 6: Final answer
x = 173,771.70
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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.