Finding the Fourth Proportional to 285,892.66, 394,579.11 and 158,609.26
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Solution
The fourth proportional to 285,892.66, 394,579.11 and 158,609.26 is: 218,906.99
Step by Step Solution
- Step 1: Write the proportion equation
285,892.66 : 394,579.11 = 158,609.26 : x - Step 2: Convert to fraction form
285,892.66/394,579.11 = 158,609.26/x - Step 3: Cross multiply
285,892.66x = 394,579.11 × 158,609.26 - Step 4: Simplify right side
285,892.66x = 62,583,900,648.56 - Step 5: Solve for x
x = 62,583,900,648.56/285,892.66 - Step 6: Final answer
x = 218,906.99
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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.