Finding the Fourth Proportional to 221,234.56, 305,329.92 and 125,755.62
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Solution
The fourth proportional to 221,234.56, 305,329.92 and 125,755.62 is: 173,557.66
Step by Step Solution
- Step 1: Write the proportion equation
221,234.56 : 305,329.92 = 125,755.62 : x - Step 2: Convert to fraction form
221,234.56/305,329.92 = 125,755.62/x - Step 3: Cross multiply
221,234.56x = 305,329.92 × 125,755.62 - Step 4: Simplify right side
221,234.56x = 38,396,953,394.15 - Step 5: Solve for x
x = 38,396,953,394.15/221,234.56 - Step 6: Final answer
x = 173,557.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.