Finding the Fourth Proportional to 319,342.53, 479,013.77 and 179,112.09
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Solution
The fourth proportional to 319,342.53, 479,013.77 and 179,112.09 is: 268,668.12
Step by Step Solution
- Step 1: Write the proportion equation
319,342.53 : 479,013.77 = 179,112.09 : x - Step 2: Convert to fraction form
319,342.53/479,013.77 = 179,112.09/x - Step 3: Cross multiply
319,342.53x = 479,013.77 × 179,112.09 - Step 4: Simplify right side
319,342.53x = 85,797,156,587.92 - Step 5: Solve for x
x = 85,797,156,587.92/319,342.53 - Step 6: Final answer
x = 268,668.12
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1.5x scale
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.