Finding the Fourth Proportional to 355,649.31, 490,777.92 and 194,473.08
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Solution
The fourth proportional to 355,649.31, 490,777.92 and 194,473.08 is: 268,362.94
Step by Step Solution
- Step 1: Write the proportion equation
355,649.31 : 490,777.92 = 194,473.08 : x - Step 2: Convert to fraction form
355,649.31/490,777.92 = 194,473.08/x - Step 3: Cross multiply
355,649.31x = 490,777.92 × 194,473.08 - Step 4: Simplify right side
355,649.31x = 95,443,093,698.39 - Step 5: Solve for x
x = 95,443,093,698.39/355,649.31 - Step 6: Final answer
x = 268,362.94
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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.