Finding the Fourth Proportional to 173,754.10, 261,187.95 and 161,427.70
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Solution
The fourth proportional to 173,754.10, 261,187.95 and 161,427.70 is: 242,658.85
Step by Step Solution
- Step 1: Write the proportion equation
173,754.10 : 261,187.95 = 161,427.70 : x - Step 2: Convert to fraction form
173,754.10/261,187.95 = 161,427.70/x - Step 3: Cross multiply
173,754.10x = 261,187.95 × 161,427.70 - Step 4: Simplify right side
173,754.10x = 42,162,970,036.22 - Step 5: Solve for x
x = 42,162,970,036.22/173,754.10 - Step 6: Final answer
x = 242,658.85
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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.