Finding the Fourth Proportional to 202,544.91, 279,535.73 and 122,013.09
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Solution
The fourth proportional to 202,544.91, 279,535.73 and 122,013.09 is: 168,392.37
Step by Step Solution
- Step 1: Write the proportion equation
202,544.91 : 279,535.73 = 122,013.09 : x - Step 2: Convert to fraction form
202,544.91/279,535.73 = 122,013.09/x - Step 3: Cross multiply
202,544.91x = 279,535.73 × 122,013.09 - Step 4: Simplify right side
202,544.91x = 34,107,017,572.64 - Step 5: Solve for x
x = 34,107,017,572.64/202,544.91 - Step 6: Final answer
x = 168,392.37
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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.