Finding the Fourth Proportional to 205,163.60, 307,939.80 and 175,614.80
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Solution
The fourth proportional to 205,163.60, 307,939.80 and 175,614.80 is: 263,588.60
Step by Step Solution
- Step 1: Write the proportion equation
205,163.60 : 307,939.80 = 175,614.80 : x - Step 2: Convert to fraction form
205,163.60/307,939.80 = 175,614.80/x - Step 3: Cross multiply
205,163.60x = 307,939.80 × 175,614.80 - Step 4: Simplify right side
205,163.60x = 54,078,786,389.04 - Step 5: Solve for x
x = 54,078,786,389.04/205,163.60 - Step 6: Final answer
x = 263,588.60
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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.