Finding the Fourth Proportional to 306,912.76, 459,891.64 and 117,269.68
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Solution
The fourth proportional to 306,912.76, 459,891.64 and 117,269.68 is: 175,722.07
Step by Step Solution
- Step 1: Write the proportion equation
306,912.76 : 459,891.64 = 117,269.68 : x - Step 2: Convert to fraction form
306,912.76/459,891.64 = 117,269.68/x - Step 3: Cross multiply
306,912.76x = 459,891.64 × 117,269.68 - Step 4: Simplify right side
306,912.76x = 53,931,345,457.48 - Step 5: Solve for x
x = 53,931,345,457.48/306,912.76 - Step 6: Final answer
x = 175,722.07
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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.