Finding the Fourth Proportional to 325,028.40, 487,682.18 and 125,488.94
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Solution
The fourth proportional to 325,028.40, 487,682.18 and 125,488.94 is: 188,287.29
Step by Step Solution
- Step 1: Write the proportion equation
325,028.40 : 487,682.18 = 125,488.94 : x - Step 2: Convert to fraction form
325,028.40/487,682.18 = 125,488.94/x - Step 3: Cross multiply
325,028.40x = 487,682.18 × 125,488.94 - Step 4: Simplify right side
325,028.40x = 61,198,716,759.23 - Step 5: Solve for x
x = 61,198,716,759.23/325,028.40 - Step 6: Final answer
x = 188,287.29
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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.