Finding the Fourth Proportional to 321,961.84, 444,285.11 and 178,710.62
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Solution
The fourth proportional to 321,961.84, 444,285.11 and 178,710.62 is: 246,608.31
Step by Step Solution
- Step 1: Write the proportion equation
321,961.84 : 444,285.11 = 178,710.62 : x - Step 2: Convert to fraction form
321,961.84/444,285.11 = 178,710.62/x - Step 3: Cross multiply
321,961.84x = 444,285.11 × 178,710.62 - Step 4: Simplify right side
321,961.84x = 79,398,465,690.22 - Step 5: Solve for x
x = 79,398,465,690.22/321,961.84 - Step 6: Final answer
x = 246,608.31
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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.