Finding the Fourth Proportional to 475,045.98, 655,556.69 and 271,161.49
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Solution
The fourth proportional to 475,045.98, 655,556.69 and 271,161.49 is: 374,198.99
Step by Step Solution
- Step 1: Write the proportion equation
475,045.98 : 655,556.69 = 271,161.49 : x - Step 2: Convert to fraction form
475,045.98/655,556.69 = 271,161.49/x - Step 3: Cross multiply
475,045.98x = 655,556.69 × 271,161.49 - Step 4: Simplify right side
475,045.98x = 177,761,727,484.06 - Step 5: Solve for x
x = 177,761,727,484.06/475,045.98 - Step 6: Final answer
x = 374,198.99
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1.5x scale
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.