Finding the Fourth Proportional to 201,625.62, 278,244.36 and 110,990.70
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Solution
The fourth proportional to 201,625.62, 278,244.36 and 110,990.70 is: 153,167.72
Step by Step Solution
- Step 1: Write the proportion equation
201,625.62 : 278,244.36 = 110,990.70 : x - Step 2: Convert to fraction form
201,625.62/278,244.36 = 110,990.70/x - Step 3: Cross multiply
201,625.62x = 278,244.36 × 110,990.70 - Step 4: Simplify right side
201,625.62x = 30,882,536,287.45 - Step 5: Solve for x
x = 30,882,536,287.45/201,625.62 - Step 6: Final answer
x = 153,167.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.