Finding the Fourth Proportional to 167,910.93, 251,866.13 and 115,160.49
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Solution
The fourth proportional to 167,910.93, 251,866.13 and 115,160.49 is: 172,740.55
Step by Step Solution
- Step 1: Write the proportion equation
167,910.93 : 251,866.13 = 115,160.49 : x - Step 2: Convert to fraction form
167,910.93/251,866.13 = 115,160.49/x - Step 3: Cross multiply
167,910.93x = 251,866.13 × 115,160.49 - Step 4: Simplify right side
167,910.93x = 29,005,026,369.40 - Step 5: Solve for x
x = 29,005,026,369.40/167,910.93 - Step 6: Final answer
x = 172,740.55
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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.