Finding the Fourth Proportional to 135,193.20, 202,809.99 and 49,797.57
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Solution
The fourth proportional to 135,193.20, 202,809.99 and 49,797.57 is: 74,703.79
Step by Step Solution
- Step 1: Write the proportion equation
135,193.20 : 202,809.99 = 49,797.57 : x - Step 2: Convert to fraction form
135,193.20/202,809.99 = 49,797.57/x - Step 3: Cross multiply
135,193.20x = 202,809.99 × 49,797.57 - Step 4: Simplify right side
135,193.20x = 10,099,445,125.72 - Step 5: Solve for x
x = 10,099,445,125.72/135,193.20 - Step 6: Final answer
x = 74,703.79
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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.