Finding the Fourth Proportional to 656,699.10, 985,078.16 and 201,256.97
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Solution
The fourth proportional to 656,699.10, 985,078.16 and 201,256.97 is: 301,894.50
Step by Step Solution
- Step 1: Write the proportion equation
656,699.10 : 985,078.16 = 201,256.97 : x - Step 2: Convert to fraction form
656,699.10/985,078.16 = 201,256.97/x - Step 3: Cross multiply
656,699.10x = 985,078.16 × 201,256.97 - Step 4: Simplify right side
656,699.10x = 198,253,843,457.14 - Step 5: Solve for x
x = 198,253,843,457.14/656,699.10 - Step 6: Final answer
x = 301,894.50
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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.