Finding the Fourth Proportional to 210,372.62, 315,651.40 and 110,509.61
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Solution
The fourth proportional to 210,372.62, 315,651.40 and 110,509.61 is: 165,812.99
Step by Step Solution
- Step 1: Write the proportion equation
210,372.62 : 315,651.40 = 110,509.61 : x - Step 2: Convert to fraction form
210,372.62/315,651.40 = 110,509.61/x - Step 3: Cross multiply
210,372.62x = 315,651.40 × 110,509.61 - Step 4: Simplify right side
210,372.62x = 34,882,511,255.42 - Step 5: Solve for x
x = 34,882,511,255.42/210,372.62 - Step 6: Final answer
x = 165,812.99
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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.