Finding the Fourth Proportional to 271,098.47, 406,553.90 and 111,128.99
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Solution
The fourth proportional to 271,098.47, 406,553.90 and 111,128.99 is: 166,655.03
Step by Step Solution
- Step 1: Write the proportion equation
271,098.47 : 406,553.90 = 111,128.99 : x - Step 2: Convert to fraction form
271,098.47/406,553.90 = 111,128.99/x - Step 3: Cross multiply
271,098.47x = 406,553.90 × 111,128.99 - Step 4: Simplify right side
271,098.47x = 45,179,923,702.09 - Step 5: Solve for x
x = 45,179,923,702.09/271,098.47 - Step 6: Final answer
x = 166,655.03
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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.