Finding the Fourth Proportional to 312,571.24, 468,850.30 and 75,915.08
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Solution
The fourth proportional to 312,571.24, 468,850.30 and 75,915.08 is: 113,871.03
Step by Step Solution
- Step 1: Write the proportion equation
312,571.24 : 468,850.30 = 75,915.08 : x - Step 2: Convert to fraction form
312,571.24/468,850.30 = 75,915.08/x - Step 3: Cross multiply
312,571.24x = 468,850.30 × 75,915.08 - Step 4: Simplify right side
312,571.24x = 35,592,808,032.52 - Step 5: Solve for x
x = 35,592,808,032.52/312,571.24 - Step 6: Final answer
x = 113,871.03
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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.