Finding the Fourth Proportional to 221,550.17, 305,737.67 and 120,948.17
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Solution
The fourth proportional to 221,550.17, 305,737.67 and 120,948.17 is: 166,907.62
Step by Step Solution
- Step 1: Write the proportion equation
221,550.17 : 305,737.67 = 120,948.17 : x - Step 2: Convert to fraction form
221,550.17/305,737.67 = 120,948.17/x - Step 3: Cross multiply
221,550.17x = 305,737.67 × 120,948.17 - Step 4: Simplify right side
221,550.17x = 36,978,410,460.25 - Step 5: Solve for x
x = 36,978,410,460.25/221,550.17 - Step 6: Final answer
x = 166,907.62
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1.5x scale
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.