Finding the Fourth Proportional to 355,642.58, 490,793.92 and 194,507.99
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Solution
The fourth proportional to 355,642.58, 490,793.92 and 194,507.99 is: 268,424.94
Step by Step Solution
- Step 1: Write the proportion equation
355,642.58 : 490,793.92 = 194,507.99 : x - Step 2: Convert to fraction form
355,642.58/490,793.92 = 194,507.99/x - Step 3: Cross multiply
355,642.58x = 490,793.92 × 194,507.99 - Step 4: Simplify right side
355,642.58x = 95,463,338,883.42 - Step 5: Solve for x
x = 95,463,338,883.42/355,642.58 - Step 6: Final answer
x = 268,424.94
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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.