Finding the Fourth Proportional to 165,324.70, 228,133.50 and 91,738.98
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Solution
The fourth proportional to 165,324.70, 228,133.50 and 91,738.98 is: 126,591.70
Step by Step Solution
- Step 1: Write the proportion equation
165,324.70 : 228,133.50 = 91,738.98 : x - Step 2: Convert to fraction form
165,324.70/228,133.50 = 91,738.98/x - Step 3: Cross multiply
165,324.70x = 228,133.50 × 91,738.98 - Step 4: Simplify right side
165,324.70x = 20,928,734,593.83 - Step 5: Solve for x
x = 20,928,734,593.83/165,324.70 - Step 6: Final answer
x = 126,591.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.