Finding the Fourth Proportional to 283,910.36, 426,160.92 and 209,114.96
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Solution
The fourth proportional to 283,910.36, 426,160.92 and 209,114.96 is: 313,890.00
Step by Step Solution
- Step 1: Write the proportion equation
283,910.36 : 426,160.92 = 209,114.96 : x - Step 2: Convert to fraction form
283,910.36/426,160.92 = 209,114.96/x - Step 3: Cross multiply
283,910.36x = 426,160.92 × 209,114.96 - Step 4: Simplify right side
283,910.36x = 89,116,623,739.36 - Step 5: Solve for x
x = 89,116,623,739.36/283,910.36 - Step 6: Final answer
x = 313,890.00
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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.