Finding the Fourth Proportional to 411,181.20, 616,771.80 and 201,229.20
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Solution
The fourth proportional to 411,181.20, 616,771.80 and 201,229.20 is: 301,843.80
Step by Step Solution
- Step 1: Write the proportion equation
411,181.20 : 616,771.80 = 201,229.20 : x - Step 2: Convert to fraction form
411,181.20/616,771.80 = 201,229.20/x - Step 3: Cross multiply
411,181.20x = 616,771.80 × 201,229.20 - Step 4: Simplify right side
411,181.20x = 124,112,495,896.56 - Step 5: Solve for x
x = 124,112,495,896.56/411,181.20 - Step 6: Final answer
x = 301,843.80
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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.