Finding the Fourth Proportional to 664,370.20, 996,701.10 and 215,014.60
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Solution
The fourth proportional to 664,370.20, 996,701.10 and 215,014.60 is: 322,569.09
Step by Step Solution
- Step 1: Write the proportion equation
664,370.20 : 996,701.10 = 215,014.60 : x - Step 2: Convert to fraction form
664,370.20/996,701.10 = 215,014.60/x - Step 3: Cross multiply
664,370.20x = 996,701.10 × 215,014.60 - Step 4: Simplify right side
664,370.20x = 214,305,288,336.06 - Step 5: Solve for x
x = 214,305,288,336.06/664,370.20 - Step 6: Final answer
x = 322,569.09
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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.