Finding the Fourth Proportional to 221,468.61, 332,255.84 and 71,709.08
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Solution
The fourth proportional to 221,468.61, 332,255.84 and 71,709.08 is: 107,580.75
Step by Step Solution
- Step 1: Write the proportion equation
221,468.61 : 332,255.84 = 71,709.08 : x - Step 2: Convert to fraction form
221,468.61/332,255.84 = 71,709.08/x - Step 3: Cross multiply
221,468.61x = 332,255.84 × 71,709.08 - Step 4: Simplify right side
221,468.61x = 23,825,758,591.20 - Step 5: Solve for x
x = 23,825,758,591.20/221,468.61 - Step 6: Final answer
x = 107,580.75
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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.