Finding the Fourth Proportional to 371,337.12, 512,445.84 and 201,571.44
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Solution
The fourth proportional to 371,337.12, 512,445.84 and 201,571.44 is: 278,168.92
Step by Step Solution
- Step 1: Write the proportion equation
371,337.12 : 512,445.84 = 201,571.44 : x - Step 2: Convert to fraction form
371,337.12/512,445.84 = 201,571.44/x - Step 3: Cross multiply
371,337.12x = 512,445.84 × 201,571.44 - Step 4: Simplify right side
371,337.12x = 103,294,445,890.81 - Step 5: Solve for x
x = 103,294,445,890.81/371,337.12 - Step 6: Final answer
x = 278,168.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.