Finding the Fourth Proportional to 279,497.28, 419,418.24 and 179,721.12
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Solution
The fourth proportional to 279,497.28, 419,418.24 and 179,721.12 is: 269,692.48
Step by Step Solution
- Step 1: Write the proportion equation
279,497.28 : 419,418.24 = 179,721.12 : x - Step 2: Convert to fraction form
279,497.28/419,418.24 = 179,721.12/x - Step 3: Cross multiply
279,497.28x = 419,418.24 × 179,721.12 - Step 4: Simplify right side
279,497.28x = 75,378,315,841.23 - Step 5: Solve for x
x = 75,378,315,841.23/279,497.28 - Step 6: Final answer
x = 269,692.48
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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.