Finding the Fourth Proportional to 290,364.18, 400,745.97 and 177,252.54
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Solution
The fourth proportional to 290,364.18, 400,745.97 and 177,252.54 is: 244,635.00
Step by Step Solution
- Step 1: Write the proportion equation
290,364.18 : 400,745.97 = 177,252.54 : x - Step 2: Convert to fraction form
290,364.18/400,745.97 = 177,252.54/x - Step 3: Cross multiply
290,364.18x = 400,745.97 × 177,252.54 - Step 4: Simplify right side
290,364.18x = 71,033,241,077.26 - Step 5: Solve for x
x = 71,033,241,077.26/290,364.18 - Step 6: Final answer
x = 244,635.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.