Finding the Fourth Proportional to 312,586.16, 468,872.74 and 75,930.08
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Solution
The fourth proportional to 312,586.16, 468,872.74 and 75,930.08 is: 113,893.54
Step by Step Solution
- Step 1: Write the proportion equation
312,586.16 : 468,872.74 = 75,930.08 : x - Step 2: Convert to fraction form
312,586.16/468,872.74 = 75,930.08/x - Step 3: Cross multiply
312,586.16x = 468,872.74 × 75,930.08 - Step 4: Simplify right side
312,586.16x = 35,601,544,658.02 - Step 5: Solve for x
x = 35,601,544,658.02/312,586.16 - Step 6: Final answer
x = 113,893.54
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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.