Finding the Fourth Proportional to 167,721.10, 251,581.68 and 114,970.66
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Solution
The fourth proportional to 167,721.10, 251,581.68 and 114,970.66 is: 172,456.01
Step by Step Solution
- Step 1: Write the proportion equation
167,721.10 : 251,581.68 = 114,970.66 : x - Step 2: Convert to fraction form
167,721.10/251,581.68 = 114,970.66/x - Step 3: Cross multiply
167,721.10x = 251,581.68 × 114,970.66 - Step 4: Simplify right side
167,721.10x = 28,924,511,164.55 - Step 5: Solve for x
x = 28,924,511,164.55/167,721.10 - Step 6: Final answer
x = 172,456.01
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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.