Finding the Fourth Proportional to 157,621.53, 217,550.08 and 96,378.19
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Solution
The fourth proportional to 157,621.53, 217,550.08 and 96,378.19 is: 133,021.69
Step by Step Solution
- Step 1: Write the proportion equation
157,621.53 : 217,550.08 = 96,378.19 : x - Step 2: Convert to fraction form
157,621.53/217,550.08 = 96,378.19/x - Step 3: Cross multiply
157,621.53x = 217,550.08 × 96,378.19 - Step 4: Simplify right side
157,621.53x = 20,967,082,944.76 - Step 5: Solve for x
x = 20,967,082,944.76/157,621.53 - Step 6: Final answer
x = 133,021.69
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1.5x scale
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.