Finding the Fourth Proportional to 209,627.70, 314,375.36 and 67,441.31
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Solution
The fourth proportional to 209,627.70, 314,375.36 and 67,441.31 is: 101,140.66
Step by Step Solution
- Step 1: Write the proportion equation
209,627.70 : 314,375.36 = 67,441.31 : x - Step 2: Convert to fraction form
209,627.70/314,375.36 = 67,441.31/x - Step 3: Cross multiply
209,627.70x = 314,375.36 × 67,441.31 - Step 4: Simplify right side
209,627.70x = 21,201,884,538.24 - Step 5: Solve for x
x = 21,201,884,538.24/209,627.70 - Step 6: Final answer
x = 101,140.66
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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.