Finding the Fourth Proportional to 299,769.20, 449,581.80 and 173,135.60
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Solution
The fourth proportional to 299,769.20, 449,581.80 and 173,135.60 is: 259,661.82
Step by Step Solution
- Step 1: Write the proportion equation
299,769.20 : 449,581.80 = 173,135.60 : x - Step 2: Convert to fraction form
299,769.20/449,581.80 = 173,135.60/x - Step 3: Cross multiply
299,769.20x = 449,581.80 × 173,135.60 - Step 4: Simplify right side
299,769.20x = 77,838,614,692.08 - Step 5: Solve for x
x = 77,838,614,692.08/299,769.20 - Step 6: Final answer
x = 259,661.82
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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.