Finding the Fourth Proportional to 312,361.35, 468,537.87 and 75,706.08
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Solution
The fourth proportional to 312,361.35, 468,537.87 and 75,706.08 is: 113,558.11
Step by Step Solution
- Step 1: Write the proportion equation
312,361.35 : 468,537.87 = 75,706.08 : x - Step 2: Convert to fraction form
312,361.35/468,537.87 = 75,706.08/x - Step 3: Cross multiply
312,361.35x = 468,537.87 × 75,706.08 - Step 4: Simplify right side
312,361.35x = 35,471,165,469.25 - Step 5: Solve for x
x = 35,471,165,469.25/312,361.35 - Step 6: Final answer
x = 113,558.11
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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.