Finding the Fourth Proportional to 204,005.80, 305,798.10 and 91,739.80
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Solution
The fourth proportional to 204,005.80, 305,798.10 and 91,739.80 is: 137,514.99
Step by Step Solution
- Step 1: Write the proportion equation
204,005.80 : 305,798.10 = 91,739.80 : x - Step 2: Convert to fraction form
204,005.80/305,798.10 = 91,739.80/x - Step 3: Cross multiply
204,005.80x = 305,798.10 × 91,739.80 - Step 4: Simplify right side
204,005.80x = 28,053,856,534.38 - Step 5: Solve for x
x = 28,053,856,534.38/204,005.80 - Step 6: Final answer
x = 137,514.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.