Finding the Fourth Proportional to 406,581.99, 561,176.78 and 270,621.33
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Solution
The fourth proportional to 406,581.99, 561,176.78 and 270,621.33 is: 373,519.75
Step by Step Solution
- Step 1: Write the proportion equation
406,581.99 : 561,176.78 = 270,621.33 : x - Step 2: Convert to fraction form
406,581.99/561,176.78 = 270,621.33/x - Step 3: Cross multiply
406,581.99x = 561,176.78 × 270,621.33 - Step 4: Simplify right side
406,581.99x = 151,866,405,215.61 - Step 5: Solve for x
x = 151,866,405,215.61/406,581.99 - Step 6: Final answer
x = 373,519.75
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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.