Finding the Fourth Proportional to 198,304.97, 273,660.86 and 107,660.93
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Solution
The fourth proportional to 198,304.97, 273,660.86 and 107,660.93 is: 148,572.08
Step by Step Solution
- Step 1: Write the proportion equation
198,304.97 : 273,660.86 = 107,660.93 : x - Step 2: Convert to fraction form
198,304.97/273,660.86 = 107,660.93/x - Step 3: Cross multiply
198,304.97x = 273,660.86 × 107,660.93 - Step 4: Simplify right side
198,304.97x = 29,462,582,692.20 - Step 5: Solve for x
x = 29,462,582,692.20/198,304.97 - Step 6: Final answer
x = 148,572.08
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1.5x scale
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.