Finding the Fourth Proportional to 147,619.62, 221,375.07 and 52,824.09
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Solution
The fourth proportional to 147,619.62, 221,375.07 and 52,824.09 is: 79,216.68
Step by Step Solution
- Step 1: Write the proportion equation
147,619.62 : 221,375.07 = 52,824.09 : x - Step 2: Convert to fraction form
147,619.62/221,375.07 = 52,824.09/x - Step 3: Cross multiply
147,619.62x = 221,375.07 × 52,824.09 - Step 4: Simplify right side
147,619.62x = 11,693,936,621.44 - Step 5: Solve for x
x = 11,693,936,621.44/147,619.62 - Step 6: Final answer
x = 79,216.68
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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.