Finding the Fourth Proportional to 221,961.18, 332,944.85 and 72,202.26
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Solution
The fourth proportional to 221,961.18, 332,944.85 and 72,202.26 is: 108,304.38
Step by Step Solution
- Step 1: Write the proportion equation
221,961.18 : 332,944.85 = 72,202.26 : x - Step 2: Convert to fraction form
221,961.18/332,944.85 = 72,202.26/x - Step 3: Cross multiply
221,961.18x = 332,944.85 × 72,202.26 - Step 4: Simplify right side
221,961.18x = 24,039,368,599.63 - Step 5: Solve for x
x = 24,039,368,599.63/221,961.18 - Step 6: Final answer
x = 108,304.38
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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.