Finding the Fourth Proportional to 416,879.75, 575,296.05 and 225,893.48
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Solution
The fourth proportional to 416,879.75, 575,296.05 and 225,893.48 is: 311,734.08
Step by Step Solution
- Step 1: Write the proportion equation
416,879.75 : 575,296.05 = 225,893.48 : x - Step 2: Convert to fraction form
416,879.75/575,296.05 = 225,893.48/x - Step 3: Cross multiply
416,879.75x = 575,296.05 × 225,893.48 - Step 4: Simplify right side
416,879.75x = 129,955,626,764.75 - Step 5: Solve for x
x = 129,955,626,764.75/416,879.75 - Step 6: Final answer
x = 311,734.08
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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.