Finding the Fourth Proportional to 306,645.74, 459,936.26 and 82,028.84
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Solution
The fourth proportional to 306,645.74, 459,936.26 and 82,028.84 is: 123,034.61
Step by Step Solution
- Step 1: Write the proportion equation
306,645.74 : 459,936.26 = 82,028.84 : x - Step 2: Convert to fraction form
306,645.74/459,936.26 = 82,028.84/x - Step 3: Cross multiply
306,645.74x = 459,936.26 × 82,028.84 - Step 4: Simplify right side
306,645.74x = 37,728,037,881.74 - Step 5: Solve for x
x = 37,728,037,881.74/306,645.74 - Step 6: Final answer
x = 123,034.61
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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.