Finding the Fourth Proportional to 129,540.08, 194,226.66 and 54,640.19
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Solution
The fourth proportional to 129,540.08, 194,226.66 and 54,640.19 is: 81,925.08
Step by Step Solution
- Step 1: Write the proportion equation
129,540.08 : 194,226.66 = 54,640.19 : x - Step 2: Convert to fraction form
129,540.08/194,226.66 = 54,640.19/x - Step 3: Cross multiply
129,540.08x = 194,226.66 × 54,640.19 - Step 4: Simplify right side
129,540.08x = 10,612,580,998.51 - Step 5: Solve for x
x = 10,612,580,998.51/129,540.08 - Step 6: Final answer
x = 81,925.08
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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.