Finding the Fourth Proportional to 312,275.19, 468,125.73 and 112,546.68
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Solution
The fourth proportional to 312,275.19, 468,125.73 and 112,546.68 is: 168,716.56
Step by Step Solution
- Step 1: Write the proportion equation
312,275.19 : 468,125.73 = 112,546.68 : x - Step 2: Convert to fraction form
312,275.19/468,125.73 = 112,546.68/x - Step 3: Cross multiply
312,275.19x = 468,125.73 × 112,546.68 - Step 4: Simplify right side
312,275.19x = 52,685,996,734.08 - Step 5: Solve for x
x = 52,685,996,734.08/312,275.19 - Step 6: Final answer
x = 168,716.56
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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.