Finding the Fourth Proportional to 321,669.97, 482,191.26 and 153,144.99
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Solution
The fourth proportional to 321,669.97, 482,191.26 and 153,144.99 is: 229,568.14
Step by Step Solution
- Step 1: Write the proportion equation
321,669.97 : 482,191.26 = 153,144.99 : x - Step 2: Convert to fraction form
321,669.97/482,191.26 = 153,144.99/x - Step 3: Cross multiply
321,669.97x = 482,191.26 × 153,144.99 - Step 4: Simplify right side
321,669.97x = 73,845,175,690.79 - Step 5: Solve for x
x = 73,845,175,690.79/321,669.97 - Step 6: Final answer
x = 229,568.14
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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.