Finding the Fourth Proportional to 135,227.18, 186,611.90 and 74,793.08
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Solution
The fourth proportional to 135,227.18, 186,611.90 and 74,793.08 is: 103,213.56
Step by Step Solution
- Step 1: Write the proportion equation
135,227.18 : 186,611.90 = 74,793.08 : x - Step 2: Convert to fraction form
135,227.18/186,611.90 = 74,793.08/x - Step 3: Cross multiply
135,227.18x = 186,611.90 × 74,793.08 - Step 4: Simplify right side
135,227.18x = 13,957,278,765.65 - Step 5: Solve for x
x = 13,957,278,765.65/135,227.18 - Step 6: Final answer
x = 103,213.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.