Finding the Fourth Proportional to 201,144.70, 282,389.90 and 201,144.70
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Solution
The fourth proportional to 201,144.70, 282,389.90 and 201,144.70 is: 282,389.90
Step by Step Solution
- Step 1: Write the proportion equation
201,144.70 : 282,389.90 = 201,144.70 : x - Step 2: Convert to fraction form
201,144.70/282,389.90 = 201,144.70/x - Step 3: Cross multiply
201,144.70x = 282,389.90 × 201,144.70 - Step 4: Simplify right side
201,144.70x = 56,801,231,718.53 - Step 5: Solve for x
x = 56,801,231,718.53/201,144.70 - Step 6: Final answer
x = 282,389.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.