Finding the Fourth Proportional to 415,024.80, 622,537.20 and 341,213.55
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Solution
The fourth proportional to 415,024.80, 622,537.20 and 341,213.55 is: 511,820.33
Step by Step Solution
- Step 1: Write the proportion equation
415,024.80 : 622,537.20 = 341,213.55 : x - Step 2: Convert to fraction form
415,024.80/622,537.20 = 341,213.55/x - Step 3: Cross multiply
415,024.80x = 622,537.20 × 341,213.55 - Step 4: Simplify right side
415,024.80x = 212,418,128,019.06 - Step 5: Solve for x
x = 212,418,128,019.06/415,024.80 - Step 6: Final answer
x = 511,820.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.