Finding the Fourth Proportional to 262,634.23, 394,074.37 and 129,441.88
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Solution
The fourth proportional to 262,634.23, 394,074.37 and 129,441.88 is: 194,223.45
Step by Step Solution
- Step 1: Write the proportion equation
262,634.23 : 394,074.37 = 129,441.88 : x - Step 2: Convert to fraction form
262,634.23/394,074.37 = 129,441.88/x - Step 3: Cross multiply
262,634.23x = 394,074.37 × 129,441.88 - Step 4: Simplify right side
262,634.23x = 51,009,727,312.62 - Step 5: Solve for x
x = 51,009,727,312.62/262,634.23 - Step 6: Final answer
x = 194,223.45
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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.