Finding the Fourth Proportional to 198,248.13, 273,581.74 and 107,604.09
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Solution
The fourth proportional to 198,248.13, 273,581.74 and 107,604.09 is: 148,493.28
Step by Step Solution
- Step 1: Write the proportion equation
198,248.13 : 273,581.74 = 107,604.09 : x - Step 2: Convert to fraction form
198,248.13/273,581.74 = 107,604.09/x - Step 3: Cross multiply
198,248.13x = 273,581.74 × 107,604.09 - Step 4: Simplify right side
198,248.13x = 29,438,514,173.32 - Step 5: Solve for x
x = 29,438,514,173.32/198,248.13 - Step 6: Final answer
x = 148,493.28
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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.