Finding the Fourth Proportional to 416,793.44, 575,177.70 and 225,806.84
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Solution
The fourth proportional to 416,793.44, 575,177.70 and 225,806.84 is: 311,614.93
Step by Step Solution
- Step 1: Write the proportion equation
416,793.44 : 575,177.70 = 225,806.84 : x - Step 2: Convert to fraction form
416,793.44/575,177.70 = 225,806.84/x - Step 3: Cross multiply
416,793.44x = 575,177.70 × 225,806.84 - Step 4: Simplify right side
416,793.44x = 129,879,055,999.58 - Step 5: Solve for x
x = 129,879,055,999.58/416,793.44 - Step 6: Final answer
x = 311,614.93
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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.