Finding the Fourth Proportional to 461,987.62, 637,553.37 and 271,138.66
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Solution
The fourth proportional to 461,987.62, 637,553.37 and 271,138.66 is: 374,177.49
Step by Step Solution
- Step 1: Write the proportion equation
461,987.62 : 637,553.37 = 271,138.66 : x - Step 2: Convert to fraction form
461,987.62/637,553.37 = 271,138.66/x - Step 3: Cross multiply
461,987.62x = 637,553.37 × 271,138.66 - Step 4: Simplify right side
461,987.62x = 172,865,366,420.28 - Step 5: Solve for x
x = 172,865,366,420.28/461,987.62 - Step 6: Final answer
x = 374,177.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.