Finding the Fourth Proportional to 287,480.36, 396,566.74 and 180,029.41
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Solution
The fourth proportional to 287,480.36, 396,566.74 and 180,029.41 is: 248,342.80
Step by Step Solution
- Step 1: Write the proportion equation
287,480.36 : 396,566.74 = 180,029.41 : x - Step 2: Convert to fraction form
287,480.36/396,566.74 = 180,029.41/x - Step 3: Cross multiply
287,480.36x = 396,566.74 × 180,029.41 - Step 4: Simplify right side
287,480.36x = 71,393,676,227.82 - Step 5: Solve for x
x = 71,393,676,227.82/287,480.36 - Step 6: Final answer
x = 248,342.80
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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.