Finding the Fourth Proportional to 299,081.35, 448,234.50 and 121,491.49
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Solution
The fourth proportional to 299,081.35, 448,234.50 and 121,491.49 is: 182,079.82
Step by Step Solution
- Step 1: Write the proportion equation
299,081.35 : 448,234.50 = 121,491.49 : x - Step 2: Convert to fraction form
299,081.35/448,234.50 = 121,491.49/x - Step 3: Cross multiply
299,081.35x = 448,234.50 × 121,491.49 - Step 4: Simplify right side
299,081.35x = 54,456,677,274.41 - Step 5: Solve for x
x = 54,456,677,274.41/299,081.35 - Step 6: Final answer
x = 182,079.82
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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.