Finding the Fourth Proportional to 415,021.44, 572,731.92 and 236,173.44
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Solution
The fourth proportional to 415,021.44, 572,731.92 and 236,173.44 is: 325,920.67
Step by Step Solution
- Step 1: Write the proportion equation
415,021.44 : 572,731.92 = 236,173.44 : x - Step 2: Convert to fraction form
415,021.44/572,731.92 = 236,173.44/x - Step 3: Cross multiply
415,021.44x = 572,731.92 × 236,173.44 - Step 4: Simplify right side
415,021.44x = 135,264,067,744.21 - Step 5: Solve for x
x = 135,264,067,744.21/415,021.44 - Step 6: Final answer
x = 325,920.67
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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.