Finding the Fourth Proportional to 322,122.12, 444,549.09 and 178,882.14
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Solution
The fourth proportional to 322,122.12, 444,549.09 and 178,882.14 is: 246,868.77
Step by Step Solution
- Step 1: Write the proportion equation
322,122.12 : 444,549.09 = 178,882.14 : x - Step 2: Convert to fraction form
322,122.12/444,549.09 = 178,882.14/x - Step 3: Cross multiply
322,122.12x = 444,549.09 × 178,882.14 - Step 4: Simplify right side
322,122.12x = 79,521,892,554.25 - Step 5: Solve for x
x = 79,521,892,554.25/322,122.12 - Step 6: Final answer
x = 246,868.77
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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.