Finding the Fourth Proportional to 416,236.41, 574,407.68 and 225,249.75
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Solution
The fourth proportional to 416,236.41, 574,407.68 and 225,249.75 is: 310,845.43
Step by Step Solution
- Step 1: Write the proportion equation
416,236.41 : 574,407.68 = 225,249.75 : x - Step 2: Convert to fraction form
416,236.41/574,407.68 = 225,249.75/x - Step 3: Cross multiply
416,236.41x = 574,407.68 × 225,249.75 - Step 4: Simplify right side
416,236.41x = 129,385,185,191.83 - Step 5: Solve for x
x = 129,385,185,191.83/416,236.41 - Step 6: Final answer
x = 310,845.43
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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.