Finding the Fourth Proportional to 371,289.12, 512,379.57 and 201,523.32
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Solution
The fourth proportional to 371,289.12, 512,379.57 and 201,523.32 is: 278,102.50
Step by Step Solution
- Step 1: Write the proportion equation
371,289.12 : 512,379.57 = 201,523.32 : x - Step 2: Convert to fraction form
371,289.12/512,379.57 = 201,523.32/x - Step 3: Cross multiply
371,289.12x = 512,379.57 × 201,523.32 - Step 4: Simplify right side
371,289.12x = 103,256,432,046.57 - Step 5: Solve for x
x = 103,256,432,046.57/371,289.12 - Step 6: Final answer
x = 278,102.50
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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.