Finding the Fourth Proportional to 209,361.24, 314,125.83 and 76,250.70
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Solution
The fourth proportional to 209,361.24, 314,125.83 and 76,250.70 is: 114,406.63
Step by Step Solution
- Step 1: Write the proportion equation
209,361.24 : 314,125.83 = 76,250.70 : x - Step 2: Convert to fraction form
209,361.24/314,125.83 = 76,250.70/x - Step 3: Cross multiply
209,361.24x = 314,125.83 × 76,250.70 - Step 4: Simplify right side
209,361.24x = 23,952,314,425.58 - Step 5: Solve for x
x = 23,952,314,425.58/209,361.24 - Step 6: Final answer
x = 114,406.63
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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.