Finding the Fourth Proportional to 221,311.48, 305,435.66 and 125,832.48
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Solution
The fourth proportional to 221,311.48, 305,435.66 and 125,832.48 is: 173,663.50
Step by Step Solution
- Step 1: Write the proportion equation
221,311.48 : 305,435.66 = 125,832.48 : x - Step 2: Convert to fraction form
221,311.48/305,435.66 = 125,832.48/x - Step 3: Cross multiply
221,311.48x = 305,435.66 × 125,832.48 - Step 4: Simplify right side
221,311.48x = 38,433,726,578.24 - Step 5: Solve for x
x = 38,433,726,578.24/221,311.48 - Step 6: Final answer
x = 173,663.50
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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.