Finding the Fourth Proportional to 135,232.80, 202,868.40 and 41,728.80
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Solution
The fourth proportional to 135,232.80, 202,868.40 and 41,728.80 is: 62,599.12
Step by Step Solution
- Step 1: Write the proportion equation
135,232.80 : 202,868.40 = 41,728.80 : x - Step 2: Convert to fraction form
135,232.80/202,868.40 = 41,728.80/x - Step 3: Cross multiply
135,232.80x = 202,868.40 × 41,728.80 - Step 4: Simplify right side
135,232.80x = 8,465,454,889.92 - Step 5: Solve for x
x = 8,465,454,889.92/135,232.80 - Step 6: Final answer
x = 62,599.12
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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.