Finding the Fourth Proportional to 312,488.68, 468,903.60 and 132,546.08
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Solution
The fourth proportional to 312,488.68, 468,903.60 and 132,546.08 is: 198,891.47
Step by Step Solution
- Step 1: Write the proportion equation
312,488.68 : 468,903.60 = 132,546.08 : x - Step 2: Convert to fraction form
312,488.68/468,903.60 = 132,546.08/x - Step 3: Cross multiply
312,488.68x = 468,903.60 × 132,546.08 - Step 4: Simplify right side
312,488.68x = 62,151,334,077.89 - Step 5: Solve for x
x = 62,151,334,077.89/312,488.68 - Step 6: Final answer
x = 198,891.47
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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.