Finding the Fourth Proportional to 221,393.92, 305,524.56 and 120,794.08
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Solution
The fourth proportional to 221,393.92, 305,524.56 and 120,794.08 is: 166,696.35
Step by Step Solution
- Step 1: Write the proportion equation
221,393.92 : 305,524.56 = 120,794.08 : x - Step 2: Convert to fraction form
221,393.92/305,524.56 = 120,794.08/x - Step 3: Cross multiply
221,393.92x = 305,524.56 × 120,794.08 - Step 4: Simplify right side
221,393.92x = 36,905,558,142.60 - Step 5: Solve for x
x = 36,905,558,142.60/221,393.92 - Step 6: Final answer
x = 166,696.35
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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.