Finding the Fourth Proportional to 319,589.97, 479,366.16 and 119,893.63
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Solution
The fourth proportional to 319,589.97, 479,366.16 and 119,893.63 is: 179,833.39
Step by Step Solution
- Step 1: Write the proportion equation
319,589.97 : 479,366.16 = 119,893.63 : x - Step 2: Convert to fraction form
319,589.97/479,366.16 = 119,893.63/x - Step 3: Cross multiply
319,589.97x = 479,366.16 × 119,893.63 - Step 4: Simplify right side
319,589.97x = 57,472,949,021.56 - Step 5: Solve for x
x = 57,472,949,021.56/319,589.97 - Step 6: Final answer
x = 179,833.39
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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.