Finding the Fourth Proportional to 426,755.66, 639,717.44 and 170,511.84
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Solution
The fourth proportional to 426,755.66, 639,717.44 and 170,511.84 is: 255,601.53
Step by Step Solution
- Step 1: Write the proportion equation
426,755.66 : 639,717.44 = 170,511.84 : x - Step 2: Convert to fraction form
426,755.66/639,717.44 = 170,511.84/x - Step 3: Cross multiply
426,755.66x = 639,717.44 × 170,511.84 - Step 4: Simplify right side
426,755.66x = 109,079,396,921.93 - Step 5: Solve for x
x = 109,079,396,921.93/426,755.66 - Step 6: Final answer
x = 255,601.53
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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.