Finding the Fourth Proportional to 618,195.92, 927,427.01 and 191,723.09
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Solution
The fourth proportional to 618,195.92, 927,427.01 and 191,723.09 is: 287,625.92
Step by Step Solution
- Step 1: Write the proportion equation
618,195.92 : 927,427.01 = 191,723.09 : x - Step 2: Convert to fraction form
618,195.92/927,427.01 = 191,723.09/x - Step 3: Cross multiply
618,195.92x = 927,427.01 × 191,723.09 - Step 4: Simplify right side
618,195.92x = 177,809,166,510.91 - Step 5: Solve for x
x = 177,809,166,510.91/618,195.92 - Step 6: Final answer
x = 287,625.92
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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.