Finding the Fourth Proportional to 199,364.20, 275,129.19 and 108,727.63
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Solution
The fourth proportional to 199,364.20, 275,129.19 and 108,727.63 is: 150,047.72
Step by Step Solution
- Step 1: Write the proportion equation
199,364.20 : 275,129.19 = 108,727.63 : x - Step 2: Convert to fraction form
199,364.20/275,129.19 = 108,727.63/x - Step 3: Cross multiply
199,364.20x = 275,129.19 × 108,727.63 - Step 4: Simplify right side
199,364.20x = 29,914,143,396.87 - Step 5: Solve for x
x = 29,914,143,396.87/199,364.20 - Step 6: Final answer
x = 150,047.72
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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.