Finding the Fourth Proportional to 68,231.53, 102,333.19 and 18,299.75
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Solution
The fourth proportional to 68,231.53, 102,333.19 and 18,299.75 is: 27,445.84
Step by Step Solution
- Step 1: Write the proportion equation
68,231.53 : 102,333.19 = 18,299.75 : x - Step 2: Convert to fraction form
68,231.53/102,333.19 = 18,299.75/x - Step 3: Cross multiply
68,231.53x = 102,333.19 × 18,299.75 - Step 4: Simplify right side
68,231.53x = 1,872,671,793.70 - Step 5: Solve for x
x = 1,872,671,793.70/68,231.53 - Step 6: Final answer
x = 27,445.84
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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.