Finding the Fourth Proportional to 134,930.38, 202,360.22 and 40,135.06
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Solution
The fourth proportional to 134,930.38, 202,360.22 and 40,135.06 is: 60,192.08
Step by Step Solution
- Step 1: Write the proportion equation
134,930.38 : 202,360.22 = 40,135.06 : x - Step 2: Convert to fraction form
134,930.38/202,360.22 = 40,135.06/x - Step 3: Cross multiply
134,930.38x = 202,360.22 × 40,135.06 - Step 4: Simplify right side
134,930.38x = 8,121,739,571.31 - Step 5: Solve for x
x = 8,121,739,571.31/134,930.38 - Step 6: Final answer
x = 60,192.08
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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.