Finding the Fourth Proportional to 217,396.51, 299,855.39 and 210,080.99
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Solution
The fourth proportional to 217,396.51, 299,855.39 and 210,080.99 is: 289,765.09
Step by Step Solution
- Step 1: Write the proportion equation
217,396.51 : 299,855.39 = 210,080.99 : x - Step 2: Convert to fraction form
217,396.51/299,855.39 = 210,080.99/x - Step 3: Cross multiply
217,396.51x = 299,855.39 × 210,080.99 - Step 4: Simplify right side
217,396.51x = 62,993,918,659.83 - Step 5: Solve for x
x = 62,993,918,659.83/217,396.51 - Step 6: Final answer
x = 289,765.09
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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.