Finding the Fourth Proportional to 627,649.94, 940,944.36 and 272,396.90
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Solution
The fourth proportional to 627,649.94, 940,944.36 and 272,396.90 is: 408,365.09
Step by Step Solution
- Step 1: Write the proportion equation
627,649.94 : 940,944.36 = 272,396.90 : x - Step 2: Convert to fraction form
627,649.94/940,944.36 = 272,396.90/x - Step 3: Cross multiply
627,649.94x = 940,944.36 × 272,396.90 - Step 4: Simplify right side
627,649.94x = 256,310,326,736.48 - Step 5: Solve for x
x = 256,310,326,736.48/627,649.94 - Step 6: Final answer
x = 408,365.09
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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.