Finding the Fourth Proportional to 445,028.18, 667,628.19 and 145,427.94
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Solution
The fourth proportional to 445,028.18, 667,628.19 and 145,427.94 is: 218,169.99
Step by Step Solution
- Step 1: Write the proportion equation
445,028.18 : 667,628.19 = 145,427.94 : x - Step 2: Convert to fraction form
445,028.18/667,628.19 = 145,427.94/x - Step 3: Cross multiply
445,028.18x = 667,628.19 × 145,427.94 - Step 4: Simplify right side
445,028.18x = 97,091,792,357.63 - Step 5: Solve for x
x = 97,091,792,357.63/445,028.18 - Step 6: Final answer
x = 218,169.99
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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.