Finding the Fourth Proportional to 300,108.97, 449,663.62 and 211,175.61
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Solution
The fourth proportional to 300,108.97, 449,663.62 and 211,175.61 is: 316,411.70
Step by Step Solution
- Step 1: Write the proportion equation
300,108.97 : 449,663.62 = 211,175.61 : x - Step 2: Convert to fraction form
300,108.97/449,663.62 = 211,175.61/x - Step 3: Cross multiply
300,108.97x = 449,663.62 × 211,175.61 - Step 4: Simplify right side
300,108.97x = 94,957,987,430.08 - Step 5: Solve for x
x = 94,957,987,430.08/300,108.97 - Step 6: Final answer
x = 316,411.70
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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.