Finding the Fourth Proportional to 299,508.44, 448,874.87 and 121,809.02
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Solution
The fourth proportional to 299,508.44, 448,874.87 and 121,809.02 is: 182,555.81
Step by Step Solution
- Step 1: Write the proportion equation
299,508.44 : 448,874.87 = 121,809.02 : x - Step 2: Convert to fraction form
299,508.44/448,874.87 = 121,809.02/x - Step 3: Cross multiply
299,508.44x = 448,874.87 × 121,809.02 - Step 4: Simplify right side
299,508.44x = 54,677,005,163.91 - Step 5: Solve for x
x = 54,677,005,163.91/299,508.44 - Step 6: Final answer
x = 182,555.81
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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.