Finding the Fourth Proportional to 276,375.12, 414,414.99 and 98,785.23
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Solution
The fourth proportional to 276,375.12, 414,414.99 and 98,785.23 is: 148,125.06
Step by Step Solution
- Step 1: Write the proportion equation
276,375.12 : 414,414.99 = 98,785.23 : x - Step 2: Convert to fraction form
276,375.12/414,414.99 = 98,785.23/x - Step 3: Cross multiply
276,375.12x = 414,414.99 × 98,785.23 - Step 4: Simplify right side
276,375.12x = 40,938,080,102.60 - Step 5: Solve for x
x = 40,938,080,102.60/276,375.12 - Step 6: Final answer
x = 148,125.06
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1.5x scale
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.