Finding the Fourth Proportional to 296,474.13, 444,723.51 and 86,112.07
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Solution
The fourth proportional to 296,474.13, 444,723.51 and 86,112.07 is: 129,171.68
Step by Step Solution
- Step 1: Write the proportion equation
296,474.13 : 444,723.51 = 86,112.07 : x - Step 2: Convert to fraction form
296,474.13/444,723.51 = 86,112.07/x - Step 3: Cross multiply
296,474.13x = 444,723.51 × 86,112.07 - Step 4: Simplify right side
296,474.13x = 38,296,061,759.09 - Step 5: Solve for x
x = 38,296,061,759.09/296,474.13 - Step 6: Final answer
x = 129,171.68
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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.