Finding the Fourth Proportional to 285,554.49, 394,065.07 and 170,837.99
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Solution
The fourth proportional to 285,554.49, 394,065.07 and 170,837.99 is: 235,756.35
Step by Step Solution
- Step 1: Write the proportion equation
285,554.49 : 394,065.07 = 170,837.99 : x - Step 2: Convert to fraction form
285,554.49/394,065.07 = 170,837.99/x - Step 3: Cross multiply
285,554.49x = 394,065.07 × 170,837.99 - Step 4: Simplify right side
285,554.49x = 67,321,284,488.01 - Step 5: Solve for x
x = 67,321,284,488.01/285,554.49 - Step 6: Final answer
x = 235,756.35
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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.