Finding the Fourth Proportional to 134,872.40, 202,335.60 and 40,102.40
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Solution
The fourth proportional to 134,872.40, 202,335.60 and 40,102.40 is: 60,161.63
Step by Step Solution
- Step 1: Write the proportion equation
134,872.40 : 202,335.60 = 40,102.40 : x - Step 2: Convert to fraction form
134,872.40/202,335.60 = 40,102.40/x - Step 3: Cross multiply
134,872.40x = 202,335.60 × 40,102.40 - Step 4: Simplify right side
134,872.40x = 8,114,143,165.44 - Step 5: Solve for x
x = 8,114,143,165.44/134,872.40 - Step 6: Final answer
x = 60,161.63
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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.