Finding the Fourth Proportional to 306,682.44, 459,592.93 and 261,469.97
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Solution
The fourth proportional to 306,682.44, 459,592.93 and 261,469.97 is: 391,837.73
Step by Step Solution
- Step 1: Write the proportion equation
306,682.44 : 459,592.93 = 261,469.97 : x - Step 2: Convert to fraction form
306,682.44/459,592.93 = 261,469.97/x - Step 3: Cross multiply
306,682.44x = 459,592.93 × 261,469.97 - Step 4: Simplify right side
306,682.44x = 120,169,749,619.31 - Step 5: Solve for x
x = 120,169,749,619.31/306,682.44 - Step 6: Final answer
x = 391,837.73
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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.