Finding the Fourth Proportional to 319,839.72, 480,049.77 and 170,205.99
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Solution
The fourth proportional to 319,839.72, 480,049.77 and 170,205.99 is: 255,463.41
Step by Step Solution
- Step 1: Write the proportion equation
319,839.72 : 480,049.77 = 170,205.99 : x - Step 2: Convert to fraction form
319,839.72/480,049.77 = 170,205.99/x - Step 3: Cross multiply
319,839.72x = 480,049.77 × 170,205.99 - Step 4: Simplify right side
319,839.72x = 81,707,346,352.12 - Step 5: Solve for x
x = 81,707,346,352.12/319,839.72 - Step 6: Final answer
x = 255,463.41
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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.