Finding the Fourth Proportional to 453,942.60, 681,059.70 and 201,125.40
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Solution
The fourth proportional to 453,942.60, 681,059.70 and 201,125.40 is: 301,752.70
Step by Step Solution
- Step 1: Write the proportion equation
453,942.60 : 681,059.70 = 201,125.40 : x - Step 2: Convert to fraction form
453,942.60/681,059.70 = 201,125.40/x - Step 3: Cross multiply
453,942.60x = 681,059.70 × 201,125.40 - Step 4: Simplify right side
453,942.60x = 136,978,404,586.38 - Step 5: Solve for x
x = 136,978,404,586.38/453,942.60 - Step 6: Final answer
x = 301,752.70
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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.