Finding the Fourth Proportional to 341,361.78, 511,884.18 and 199,248.09
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Solution
The fourth proportional to 341,361.78, 511,884.18 and 199,248.09 is: 298,779.63
Step by Step Solution
- Step 1: Write the proportion equation
341,361.78 : 511,884.18 = 199,248.09 : x - Step 2: Convert to fraction form
341,361.78/511,884.18 = 199,248.09/x - Step 3: Cross multiply
341,361.78x = 511,884.18 × 199,248.09 - Step 4: Simplify right side
341,361.78x = 101,991,945,166.22 - Step 5: Solve for x
x = 101,991,945,166.22/341,361.78 - Step 6: Final answer
x = 298,779.63
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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.