Finding the Fourth Proportional to 198,058.23, 273,320.51 and 107,414.17
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Solution
The fourth proportional to 198,058.23, 273,320.51 and 107,414.17 is: 148,231.63
Step by Step Solution
- Step 1: Write the proportion equation
198,058.23 : 273,320.51 = 107,414.17 : x - Step 2: Convert to fraction form
198,058.23/273,320.51 = 107,414.17/x - Step 3: Cross multiply
198,058.23x = 273,320.51 × 107,414.17 - Step 4: Simplify right side
198,058.23x = 29,358,494,505.25 - Step 5: Solve for x
x = 29,358,494,505.25/198,058.23 - Step 6: Final answer
x = 148,231.63
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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.