Finding the Fourth Proportional to 300,649.41, 414,793.17 and 171,495.09
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Solution
The fourth proportional to 300,649.41, 414,793.17 and 171,495.09 is: 236,604.46
Step by Step Solution
- Step 1: Write the proportion equation
300,649.41 : 414,793.17 = 171,495.09 : x - Step 2: Convert to fraction form
300,649.41/414,793.17 = 171,495.09/x - Step 3: Cross multiply
300,649.41x = 414,793.17 × 171,495.09 - Step 4: Simplify right side
300,649.41x = 71,134,992,020.54 - Step 5: Solve for x
x = 71,134,992,020.54/300,649.41 - Step 6: Final answer
x = 236,604.46
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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.