Finding the Fourth Proportional to 465,197.88, 641,971.26 and 261,220.44
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Solution
The fourth proportional to 465,197.88, 641,971.26 and 261,220.44 is: 360,483.19
Step by Step Solution
- Step 1: Write the proportion equation
465,197.88 : 641,971.26 = 261,220.44 : x - Step 2: Convert to fraction form
465,197.88/641,971.26 = 261,220.44/x - Step 3: Cross multiply
465,197.88x = 641,971.26 × 261,220.44 - Step 4: Simplify right side
465,197.88x = 167,696,015,004.55 - Step 5: Solve for x
x = 167,696,015,004.55/465,197.88 - Step 6: Final answer
x = 360,483.19
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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.