Finding the Fourth Proportional to 204,998.22, 307,562.94 and 171,639.18
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Solution
The fourth proportional to 204,998.22, 307,562.94 and 171,639.18 is: 257,513.70
Step by Step Solution
- Step 1: Write the proportion equation
204,998.22 : 307,562.94 = 171,639.18 : x - Step 2: Convert to fraction form
204,998.22/307,562.94 = 171,639.18/x - Step 3: Cross multiply
204,998.22x = 307,562.94 × 171,639.18 - Step 4: Simplify right side
204,998.22x = 52,789,850,819.99 - Step 5: Solve for x
x = 52,789,850,819.99/204,998.22 - Step 6: Final answer
x = 257,513.70
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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.