Finding the Fourth Proportional to 184,960.09, 255,245.07 and 128,404.27
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Solution
The fourth proportional to 184,960.09, 255,245.07 and 128,404.27 is: 177,197.99
Step by Step Solution
- Step 1: Write the proportion equation
184,960.09 : 255,245.07 = 128,404.27 : x - Step 2: Convert to fraction form
184,960.09/255,245.07 = 128,404.27/x - Step 3: Cross multiply
184,960.09x = 255,245.07 × 128,404.27 - Step 4: Simplify right side
184,960.09x = 32,774,556,884.45 - Step 5: Solve for x
x = 32,774,556,884.45/184,960.09 - Step 6: Final answer
x = 177,197.99
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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.