Finding the Fourth Proportional to 284,395.75, 426,594.79 and 71,163.08
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Solution
The fourth proportional to 284,395.75, 426,594.79 and 71,163.08 is: 106,744.90
Step by Step Solution
- Step 1: Write the proportion equation
284,395.75 : 426,594.79 = 71,163.08 : x - Step 2: Convert to fraction form
284,395.75/426,594.79 = 71,163.08/x - Step 3: Cross multiply
284,395.75x = 426,594.79 × 71,163.08 - Step 4: Simplify right side
284,395.75x = 30,357,796,857.47 - Step 5: Solve for x
x = 30,357,796,857.47/284,395.75 - Step 6: Final answer
x = 106,744.90
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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.