Finding the Fourth Proportional to 265,900.76, 398,764.84 and 88,360.12
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Solution
The fourth proportional to 265,900.76, 398,764.84 and 88,360.12 is: 132,511.50
Step by Step Solution
- Step 1: Write the proportion equation
265,900.76 : 398,764.84 = 88,360.12 : x - Step 2: Convert to fraction form
265,900.76/398,764.84 = 88,360.12/x - Step 3: Cross multiply
265,900.76x = 398,764.84 × 88,360.12 - Step 4: Simplify right side
265,900.76x = 35,234,909,114.18 - Step 5: Solve for x
x = 35,234,909,114.18/265,900.76 - Step 6: Final answer
x = 132,511.50
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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.