Finding the Fourth Proportional to 347,697.61, 521,882.75 and 167,909.05
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Solution
The fourth proportional to 347,697.61, 521,882.75 and 167,909.05 is: 252,025.99
Step by Step Solution
- Step 1: Write the proportion equation
347,697.61 : 521,882.75 = 167,909.05 : x - Step 2: Convert to fraction form
347,697.61/521,882.75 = 167,909.05/x - Step 3: Cross multiply
347,697.61x = 521,882.75 × 167,909.05 - Step 4: Simplify right side
347,697.61x = 87,628,836,891.53 - Step 5: Solve for x
x = 87,628,836,891.53/347,697.61 - Step 6: Final answer
x = 252,025.99
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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.