Finding the Fourth Proportional to 371,289.50, 512,380.09 and 201,523.70
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Solution
The fourth proportional to 371,289.50, 512,380.09 and 201,523.70 is: 278,103.02
Step by Step Solution
- Step 1: Write the proportion equation
371,289.50 : 512,380.09 = 201,523.70 : x - Step 2: Convert to fraction form
371,289.50/512,380.09 = 201,523.70/x - Step 3: Cross multiply
371,289.50x = 512,380.09 × 201,523.70 - Step 4: Simplify right side
371,289.50x = 103,256,728,477.42 - Step 5: Solve for x
x = 103,256,728,477.42/371,289.50 - Step 6: Final answer
x = 278,103.02
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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.