Finding the Fourth Proportional to 261,230.06, 391,849.95 and 74,246.42
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Solution
The fourth proportional to 261,230.06, 391,849.95 and 74,246.42 is: 111,371.02
Step by Step Solution
- Step 1: Write the proportion equation
261,230.06 : 391,849.95 = 74,246.42 : x - Step 2: Convert to fraction form
261,230.06/391,849.95 = 74,246.42/x - Step 3: Cross multiply
261,230.06x = 391,849.95 × 74,246.42 - Step 4: Simplify right side
261,230.06x = 29,093,457,222.73 - Step 5: Solve for x
x = 29,093,457,222.73/261,230.06 - Step 6: Final answer
x = 111,371.02
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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.