Finding the Fourth Proportional to 445,361.81, 667,990.08 and 125,537.66
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Solution
The fourth proportional to 445,361.81, 667,990.08 and 125,537.66 is: 188,291.65
Step by Step Solution
- Step 1: Write the proportion equation
445,361.81 : 667,990.08 = 125,537.66 : x - Step 2: Convert to fraction form
445,361.81/667,990.08 = 125,537.66/x - Step 3: Cross multiply
445,361.81x = 667,990.08 × 125,537.66 - Step 4: Simplify right side
445,361.81x = 83,857,910,711.43 - Step 5: Solve for x
x = 83,857,910,711.43/445,361.81 - Step 6: Final answer
x = 188,291.65
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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.