Finding the Fourth Proportional to 271,418.94, 406,998.99 and 121,660.47
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Solution
The fourth proportional to 271,418.94, 406,998.99 and 121,660.47 is: 182,432.69
Step by Step Solution
- Step 1: Write the proportion equation
271,418.94 : 406,998.99 = 121,660.47 : x - Step 2: Convert to fraction form
271,418.94/406,998.99 = 121,660.47/x - Step 3: Cross multiply
271,418.94x = 406,998.99 × 121,660.47 - Step 4: Simplify right side
271,418.94x = 49,515,688,412.93 - Step 5: Solve for x
x = 49,515,688,412.93/271,418.94 - Step 6: Final answer
x = 182,432.69
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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.