Finding the Fourth Proportional to 167,619.48, 251,375.84 and 55,278.70
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Solution
The fourth proportional to 167,619.48, 251,375.84 and 55,278.70 is: 82,900.45
Step by Step Solution
- Step 1: Write the proportion equation
167,619.48 : 251,375.84 = 55,278.70 : x - Step 2: Convert to fraction form
167,619.48/251,375.84 = 55,278.70/x - Step 3: Cross multiply
167,619.48x = 251,375.84 × 55,278.70 - Step 4: Simplify right side
167,619.48x = 13,895,729,646.61 - Step 5: Solve for x
x = 13,895,729,646.61/167,619.48 - Step 6: Final answer
x = 82,900.45
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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.