Finding the Fourth Proportional to 250,246.95, 345,375.15 and 153,433.68
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Solution
The fourth proportional to 250,246.95, 345,375.15 and 153,433.68 is: 211,759.54
Step by Step Solution
- Step 1: Write the proportion equation
250,246.95 : 345,375.15 = 153,433.68 : x - Step 2: Convert to fraction form
250,246.95/345,375.15 = 153,433.68/x - Step 3: Cross multiply
250,246.95x = 345,375.15 × 153,433.68 - Step 4: Simplify right side
250,246.95x = 52,992,180,245.05 - Step 5: Solve for x
x = 52,992,180,245.05/250,246.95 - Step 6: Final answer
x = 211,759.54
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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.