Finding the Fourth Proportional to 134,892.20, 202,338.30 and 41,385.80
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Solution
The fourth proportional to 134,892.20, 202,338.30 and 41,385.80 is: 62,078.70
Step by Step Solution
- Step 1: Write the proportion equation
134,892.20 : 202,338.30 = 41,385.80 : x - Step 2: Convert to fraction form
134,892.20/202,338.30 = 41,385.80/x - Step 3: Cross multiply
134,892.20x = 202,338.30 × 41,385.80 - Step 4: Simplify right side
134,892.20x = 8,373,932,416.14 - Step 5: Solve for x
x = 8,373,932,416.14/134,892.20 - Step 6: Final answer
x = 62,078.70
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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.