Finding the Fourth Proportional to 416,874.96, 575,290.08 and 225,889.92
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Solution
The fourth proportional to 416,874.96, 575,290.08 and 225,889.92 is: 311,729.52
Step by Step Solution
- Step 1: Write the proportion equation
416,874.96 : 575,290.08 = 225,889.92 : x - Step 2: Convert to fraction form
416,874.96/575,290.08 = 225,889.92/x - Step 3: Cross multiply
416,874.96x = 575,290.08 × 225,889.92 - Step 4: Simplify right side
416,874.96x = 129,952,230,147.99 - Step 5: Solve for x
x = 129,952,230,147.99/416,874.96 - Step 6: Final answer
x = 311,729.52
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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.