Finding the Fourth Proportional to 129,097.40, 193,646.26 and 40,351.36
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Solution
The fourth proportional to 129,097.40, 193,646.26 and 40,351.36 is: 60,527.09
Step by Step Solution
- Step 1: Write the proportion equation
129,097.40 : 193,646.26 = 40,351.36 : x - Step 2: Convert to fraction form
129,097.40/193,646.26 = 40,351.36/x - Step 3: Cross multiply
129,097.40x = 193,646.26 × 40,351.36 - Step 4: Simplify right side
129,097.40x = 7,813,889,949.91 - Step 5: Solve for x
x = 7,813,889,949.91/129,097.40 - Step 6: Final answer
x = 60,527.09
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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.