Finding the Fourth Proportional to 252,080.76, 347,878.86 and 138,910.80
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Solution
The fourth proportional to 252,080.76, 347,878.86 and 138,910.80 is: 191,700.99
Step by Step Solution
- Step 1: Write the proportion equation
252,080.76 : 347,878.86 = 138,910.80 : x - Step 2: Convert to fraction form
252,080.76/347,878.86 = 138,910.80/x - Step 3: Cross multiply
252,080.76x = 347,878.86 × 138,910.80 - Step 4: Simplify right side
252,080.76x = 48,324,130,745.69 - Step 5: Solve for x
x = 48,324,130,745.69/252,080.76 - Step 6: Final answer
x = 191,700.99
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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.