Finding the Fourth Proportional to 199,729.62, 275,628.96 and 109,088.19
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Solution
The fourth proportional to 199,729.62, 275,628.96 and 109,088.19 is: 150,542.84
Step by Step Solution
- Step 1: Write the proportion equation
199,729.62 : 275,628.96 = 109,088.19 : x - Step 2: Convert to fraction form
199,729.62/275,628.96 = 109,088.19/x - Step 3: Cross multiply
199,729.62x = 275,628.96 × 109,088.19 - Step 4: Simplify right side
199,729.62x = 30,067,864,357.98 - Step 5: Solve for x
x = 30,067,864,357.98/199,729.62 - Step 6: Final answer
x = 150,542.84
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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.