Finding the Fourth Proportional to 281,915.10, 422,853.21 and 132,188.63
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Solution
The fourth proportional to 281,915.10, 422,853.21 and 132,188.63 is: 198,273.82
Step by Step Solution
- Step 1: Write the proportion equation
281,915.10 : 422,853.21 = 132,188.63 : x - Step 2: Convert to fraction form
281,915.10/422,853.21 = 132,188.63/x - Step 3: Cross multiply
281,915.10x = 422,853.21 × 132,188.63 - Step 4: Simplify right side
281,915.10x = 55,896,384,406.74 - Step 5: Solve for x
x = 55,896,384,406.74/281,915.10 - Step 6: Final answer
x = 198,273.82
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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.