Finding the Fourth Proportional to 225,453.75, 311,135.96 and 124,851.75
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Solution
The fourth proportional to 225,453.75, 311,135.96 and 124,851.75 is: 172,300.83
Step by Step Solution
- Step 1: Write the proportion equation
225,453.75 : 311,135.96 = 124,851.75 : x - Step 2: Convert to fraction form
225,453.75/311,135.96 = 124,851.75/x - Step 3: Cross multiply
225,453.75x = 311,135.96 × 124,851.75 - Step 4: Simplify right side
225,453.75x = 38,845,869,093.93 - Step 5: Solve for x
x = 38,845,869,093.93/225,453.75 - Step 6: Final answer
x = 172,300.83
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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.