Finding the Fourth Proportional to 465,201.38, 641,976.09 and 261,223.94
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Solution
The fourth proportional to 465,201.38, 641,976.09 and 261,223.94 is: 360,488.02
Step by Step Solution
- Step 1: Write the proportion equation
465,201.38 : 641,976.09 = 261,223.94 : x - Step 2: Convert to fraction form
465,201.38/641,976.09 = 261,223.94/x - Step 3: Cross multiply
465,201.38x = 641,976.09 × 261,223.94 - Step 4: Simplify right side
465,201.38x = 167,699,523,615.60 - Step 5: Solve for x
x = 167,699,523,615.60/465,201.38 - Step 6: Final answer
x = 360,488.02
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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.