Finding the Fourth Proportional to 404,297.75, 606,475.79 and 154,979.75
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Solution
The fourth proportional to 404,297.75, 606,475.79 and 154,979.75 is: 232,480.80
Step by Step Solution
- Step 1: Write the proportion equation
404,297.75 : 606,475.79 = 154,979.75 : x - Step 2: Convert to fraction form
404,297.75/606,475.79 = 154,979.75/x - Step 3: Cross multiply
404,297.75x = 606,475.79 × 154,979.75 - Step 4: Simplify right side
404,297.75x = 93,991,466,315.25 - Step 5: Solve for x
x = 93,991,466,315.25/404,297.75 - Step 6: Final answer
x = 232,480.80
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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.