Finding the Fourth Proportional to 475,175.70, 655,742.43 and 284,189.09
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Solution
The fourth proportional to 475,175.70, 655,742.43 and 284,189.09 is: 392,180.92
Step by Step Solution
- Step 1: Write the proportion equation
475,175.70 : 655,742.43 = 284,189.09 : x - Step 2: Convert to fraction form
475,175.70/655,742.43 = 284,189.09/x - Step 3: Cross multiply
475,175.70x = 655,742.43 × 284,189.09 - Step 4: Simplify right side
475,175.70x = 186,354,841,177.38 - Step 5: Solve for x
x = 186,354,841,177.38/475,175.70 - Step 6: Final answer
x = 392,180.92
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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.