Finding the Fourth Proportional to 135,232.80, 202,849.20 and 68,683.20
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Solution
The fourth proportional to 135,232.80, 202,849.20 and 68,683.20 is: 103,024.80
Step by Step Solution
- Step 1: Write the proportion equation
135,232.80 : 202,849.20 = 68,683.20 : x - Step 2: Convert to fraction form
135,232.80/202,849.20 = 68,683.20/x - Step 3: Cross multiply
135,232.80x = 202,849.20 × 68,683.20 - Step 4: Simplify right side
135,232.80x = 13,932,332,173.44 - Step 5: Solve for x
x = 13,932,332,173.44/135,232.80 - Step 6: Final answer
x = 103,024.80
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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.