Finding the Fourth Proportional to 75,230.97, 112,828.55 and 30,252.44
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Solution
The fourth proportional to 75,230.97, 112,828.55 and 30,252.44 is: 45,371.45
Step by Step Solution
- Step 1: Write the proportion equation
75,230.97 : 112,828.55 = 30,252.44 : x - Step 2: Convert to fraction form
75,230.97/112,828.55 = 30,252.44/x - Step 3: Cross multiply
75,230.97x = 112,828.55 × 30,252.44 - Step 4: Simplify right side
75,230.97x = 3,413,338,375.02 - Step 5: Solve for x
x = 3,413,338,375.02/75,230.97 - Step 6: Final answer
x = 45,371.45
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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.