Finding the Fourth Proportional to 319,825.51, 441,366.09 and 176,594.62
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Solution
The fourth proportional to 319,825.51, 441,366.09 and 176,594.62 is: 243,704.38
Step by Step Solution
- Step 1: Write the proportion equation
319,825.51 : 441,366.09 = 176,594.62 : x - Step 2: Convert to fraction form
319,825.51/441,366.09 = 176,594.62/x - Step 3: Cross multiply
319,825.51x = 441,366.09 × 176,594.62 - Step 4: Simplify right side
319,825.51x = 77,942,876,944.44 - Step 5: Solve for x
x = 77,942,876,944.44/319,825.51 - Step 6: Final answer
x = 243,704.38
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1.5x scale
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.