Finding the Fourth Proportional to 180,409.68, 270,614.40 and 113,950.80
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Solution
The fourth proportional to 180,409.68, 270,614.40 and 113,950.80 is: 170,926.12
Step by Step Solution
- Step 1: Write the proportion equation
180,409.68 : 270,614.40 = 113,950.80 : x - Step 2: Convert to fraction form
180,409.68/270,614.40 = 113,950.80/x - Step 3: Cross multiply
180,409.68x = 270,614.40 × 113,950.80 - Step 4: Simplify right side
180,409.68x = 30,836,727,371.52 - Step 5: Solve for x
x = 30,836,727,371.52/180,409.68 - Step 6: Final answer
x = 170,926.12
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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.