Finding the Fourth Proportional to 199,357.81, 275,120.42 and 108,718.74
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Solution
The fourth proportional to 199,357.81, 275,120.42 and 108,718.74 is: 150,035.48
Step by Step Solution
- Step 1: Write the proportion equation
199,357.81 : 275,120.42 = 108,718.74 : x - Step 2: Convert to fraction form
199,357.81/275,120.42 = 108,718.74/x - Step 3: Cross multiply
199,357.81x = 275,120.42 × 108,718.74 - Step 4: Simplify right side
199,357.81x = 29,910,744,179.28 - Step 5: Solve for x
x = 29,910,744,179.28/199,357.81 - Step 6: Final answer
x = 150,035.48
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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.