Finding the Fourth Proportional to 269,855.17, 372,414.72 and 148,996.09
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Solution
The fourth proportional to 269,855.17, 372,414.72 and 148,996.09 is: 205,622.65
Step by Step Solution
- Step 1: Write the proportion equation
269,855.17 : 372,414.72 = 148,996.09 : x - Step 2: Convert to fraction form
269,855.17/372,414.72 = 148,996.09/x - Step 3: Cross multiply
269,855.17x = 372,414.72 × 148,996.09 - Step 4: Simplify right side
269,855.17x = 55,488,335,276.37 - Step 5: Solve for x
x = 55,488,335,276.37/269,855.17 - Step 6: Final answer
x = 205,622.65
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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.