Finding the Fourth Proportional to 167,479.54, 251,218.74 and 67,638.62
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Solution
The fourth proportional to 167,479.54, 251,218.74 and 67,638.62 is: 101,457.70
Step by Step Solution
- Step 1: Write the proportion equation
167,479.54 : 251,218.74 = 67,638.62 : x - Step 2: Convert to fraction form
167,479.54/251,218.74 = 67,638.62/x - Step 3: Cross multiply
167,479.54x = 251,218.74 × 67,638.62 - Step 4: Simplify right side
167,479.54x = 16,992,088,891.74 - Step 5: Solve for x
x = 16,992,088,891.74/167,479.54 - Step 6: Final answer
x = 101,457.70
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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.