Finding the Fourth Proportional to 319,606.44, 479,623.68 and 132,618.12
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Solution
The fourth proportional to 319,606.44, 479,623.68 and 132,618.12 is: 199,015.99
Step by Step Solution
- Step 1: Write the proportion equation
319,606.44 : 479,623.68 = 132,618.12 : x - Step 2: Convert to fraction form
319,606.44/479,623.68 = 132,618.12/x - Step 3: Cross multiply
319,606.44x = 479,623.68 × 132,618.12 - Step 4: Simplify right side
319,606.44x = 63,606,790,749.08 - Step 5: Solve for x
x = 63,606,790,749.08/319,606.44 - Step 6: Final answer
x = 199,015.99
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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.