Finding the Fourth Proportional to 641,202.80, 961,804.20 and 267,177.20
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Solution
The fourth proportional to 641,202.80, 961,804.20 and 267,177.20 is: 400,765.80
Step by Step Solution
- Step 1: Write the proportion equation
641,202.80 : 961,804.20 = 267,177.20 : x - Step 2: Convert to fraction form
641,202.80/961,804.20 = 267,177.20/x - Step 3: Cross multiply
641,202.80x = 961,804.20 × 267,177.20 - Step 4: Simplify right side
641,202.80x = 256,972,153,104.24 - Step 5: Solve for x
x = 256,972,153,104.24/641,202.80 - Step 6: Final answer
x = 400,765.80
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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.