Finding the Fourth Proportional to 285,414.52, 427,838.84 and 159,112.54
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Solution
The fourth proportional to 285,414.52, 427,838.84 and 159,112.54 is: 238,511.08
Step by Step Solution
- Step 1: Write the proportion equation
285,414.52 : 427,838.84 = 159,112.54 : x - Step 2: Convert to fraction form
285,414.52/427,838.84 = 159,112.54/x - Step 3: Cross multiply
285,414.52x = 427,838.84 × 159,112.54 - Step 4: Simplify right side
285,414.52x = 68,074,524,543.05 - Step 5: Solve for x
x = 68,074,524,543.05/285,414.52 - Step 6: Final answer
x = 238,511.08
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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.