Finding the Fourth Proportional to 408,896.64, 613,351.44 and 124,593.12
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Solution
The fourth proportional to 408,896.64, 613,351.44 and 124,593.12 is: 186,891.65
Step by Step Solution
- Step 1: Write the proportion equation
408,896.64 : 613,351.44 = 124,593.12 : x - Step 2: Convert to fraction form
408,896.64/613,351.44 = 124,593.12/x - Step 3: Cross multiply
408,896.64x = 613,351.44 × 124,593.12 - Step 4: Simplify right side
408,896.64x = 76,419,369,566.09 - Step 5: Solve for x
x = 76,419,369,566.09/408,896.64 - Step 6: Final answer
x = 186,891.65
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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.