Finding the Fourth Proportional to 270,197.42, 372,891.74 and 149,336.10
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Solution
The fourth proportional to 270,197.42, 372,891.74 and 149,336.10 is: 206,094.49
Step by Step Solution
- Step 1: Write the proportion equation
270,197.42 : 372,891.74 = 149,336.10 : x - Step 2: Convert to fraction form
270,197.42/372,891.74 = 149,336.10/x - Step 3: Cross multiply
270,197.42x = 372,891.74 × 149,336.10 - Step 4: Simplify right side
270,197.42x = 55,686,198,173.81 - Step 5: Solve for x
x = 55,686,198,173.81/270,197.42 - Step 6: Final answer
x = 206,094.49
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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.