Finding the Fourth Proportional to 416,879.25, 575,295.36 and 225,892.98
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Solution
The fourth proportional to 416,879.25, 575,295.36 and 225,892.98 is: 311,733.39
Step by Step Solution
- Step 1: Write the proportion equation
416,879.25 : 575,295.36 = 225,892.98 : x - Step 2: Convert to fraction form
416,879.25/575,295.36 = 225,892.98/x - Step 3: Cross multiply
416,879.25x = 575,295.36 × 225,892.98 - Step 4: Simplify right side
416,879.25x = 129,955,183,250.57 - Step 5: Solve for x
x = 129,955,183,250.57/416,879.25 - Step 6: Final answer
x = 311,733.39
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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.