Finding the Fourth Proportional to 322,136.19, 444,553.97 and 178,909.65
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Solution
The fourth proportional to 322,136.19, 444,553.97 and 178,909.65 is: 246,898.66
Step by Step Solution
- Step 1: Write the proportion equation
322,136.19 : 444,553.97 = 178,909.65 : x - Step 2: Convert to fraction form
322,136.19/444,553.97 = 178,909.65/x - Step 3: Cross multiply
322,136.19x = 444,553.97 × 178,909.65 - Step 4: Simplify right side
322,136.19x = 79,534,994,284.26 - Step 5: Solve for x
x = 79,534,994,284.26/322,136.19 - Step 6: Final answer
x = 246,898.66
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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.