Finding the Fourth Proportional to 221,184.54, 305,234.82 and 120,582.54
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Solution
The fourth proportional to 221,184.54, 305,234.82 and 120,582.54 is: 166,403.99
Step by Step Solution
- Step 1: Write the proportion equation
221,184.54 : 305,234.82 = 120,582.54 : x - Step 2: Convert to fraction form
221,184.54/305,234.82 = 120,582.54/x - Step 3: Cross multiply
221,184.54x = 305,234.82 × 120,582.54 - Step 4: Simplify right side
221,184.54x = 36,805,989,892.04 - Step 5: Solve for x
x = 36,805,989,892.04/221,184.54 - Step 6: Final answer
x = 166,403.99
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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.